Fix xref warnings (dotnet#7089)

Author: gewarren

xml/System.Diagnostics.Metrics/Meter.xml

@@ -191,7 +191,7 @@ Example uses for Histogram: the request duration and the size of the response pa
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValues">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
+        <param name="observeValues">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableCounter is an Instrument which reports monotonically increasing value(s) when the instrument is being observed.</summary>
@@ -239,7 +239,7 @@ Example uses for ObservableCounter: The number of page faults for each process.
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValue">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" /></param>
+        <param name="observeValue">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" /></param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableCounter is an Instrument which reports monotonically increasing value(s) when the instrument is being observed.</summary>
@@ -287,7 +287,7 @@ Example uses for ObservableCounter: The number of page faults for each process.
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValue">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
+        <param name="observeValue">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableCounter is an Instrument which reports monotonically increasing value(s) when the instrument is being observed.</summary>
@@ -335,7 +335,7 @@ Example uses for ObservableCounter: The number of page faults for each process.
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValues">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
+        <param name="observeValues">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableGauge is an asynchronous Instrument which reports non-additive value(s) (e.g. the room temperature - it makes no sense to report the temperature value from multiple rooms and sum them up) when the instrument is being observed.</summary>
@@ -375,7 +375,7 @@ Example uses for ObservableCounter: The number of page faults for each process.
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValue">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
+        <param name="observeValue">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableGauge is an asynchronous Instrument which reports non-additive value(s) (e.g. the room temperature - it makes no sense to report the temperature value from multiple rooms and sum them up) when the instrument is being observed.</summary>
@@ -415,7 +415,7 @@ Example uses for ObservableCounter: The number of page faults for each process.
       <Docs>
         <typeparam name="T">To be added.</typeparam>
         <param name="name">The instrument name. cannot be <see langword="null" />.</param>
-        <param name="observeValue">The callback to call to get the measurements when the <see cref="M:System.Diagnostics.Metrics.ObservableCounter`1.Observe" /> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
+        <param name="observeValue">The callback to call to get the measurements when <code>ObservableCounter{T}.Observe()</code> is called by <see cref="M:System.Diagnostics.Metrics.MeterListener.RecordObservableInstruments" />.</param>
         <param name="unit">Optional instrument unit of measurements.</param>
         <param name="description">Optional instrument description.</param>
         <summary>ObservableGauge is an asynchronous Instrument which reports non-additive value(s) (e.g. the room temperature - it makes no sense to report the temperature value from multiple rooms and sum them up) when the instrument is being observed.</summary>