[docs] Typo fixes (double the) (open-telemetry#5852)

Author: Kielek

docs/metrics/customizing-the-sdk/README.md

@@ -203,7 +203,7 @@ used.
 By default, the boundaries used for a Histogram are [`{ 0, 5, 10, 25, 50, 75,
 100, 250, 500, 750, 1000, 2500, 5000, 7500, 10000}`](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.14.0/specification/metrics/sdk.md#explicit-bucket-histogram-aggregation).
 Views can be used to provide custom boundaries for a Histogram. The measurements
-are then aggregated using the custom boundaries provided instead of the the
+are then aggregated using the custom boundaries provided instead of the
 default boundaries. This requires the use of
 `ExplicitBucketHistogramConfiguration`.
 

src/OpenTelemetry.Exporter.OpenTelemetryProtocol/IOtlpExporterOptions.cs

@@ -14,7 +14,7 @@ namespace OpenTelemetry.Exporter;
 internal interface IOtlpExporterOptions
 {
     /// <summary>
-    /// Gets or sets the the OTLP transport protocol.
+    /// Gets or sets the OTLP transport protocol.
     /// </summary>
     OtlpExportProtocol Protocol { get; set; }
 

src/OpenTelemetry.Exporter.Zipkin/README.md

@@ -15,7 +15,7 @@ dotnet add package OpenTelemetry.Exporter.Zipkin
 
 ## Enable/Add Zipkin as a tracing exporter
 
-You can enable the the `ZipkinExporter` with the `AddZipkinExporter()` extension
+You can enable the `ZipkinExporter` with the `AddZipkinExporter()` extension
 method on `TracerProviderBuilder`.
 
 ## Configuration