Merge pull request #2385 from splunk/pwilliams-docguild-27139-2

Remove package manager examples

Author: pauljwil

_includes/collector-upgrade.rst

@@ -1,4 +1,4 @@
-The installer script uses one of the supported package managers to install the Collector, for example apt or yum.
+The installer script uses one of the supported package managers to install the Collector.
 
 When you update the Collector using the official packages, configuration files are never overridden. If you need to update the configuration after an update, edit them manually before backward compatibility is dropped. 
 

gdi/opentelemetry/collector-windows/install-windows-msi.rst

@@ -70,7 +70,7 @@ Follow these steps:
 
     Start-Process -Wait msiexec "/i PATH_TO_MSI /qn"  
 
-3. Update all variables in the configuration file as appropriate.   
+3. Configure the Collector using the environment variables listed in the table below.   
 
 .. code-block:: PowerShell
 
@@ -140,7 +140,7 @@ You can use the following Splunk-specific environment variables with the MSI:
         - ``us0``
 
     *   - ``SPLUNK_SETUP_COLLECTOR_MODE`` 
-        - Install property that sets the Collector's deployment mode. Learn more at :ref:`otel-deployment-mode`. 
+        - Install property that sets the Collector's deployment mode to either ``agent`` or ``gateway``. Learn more at :ref:`otel-deployment-mode`. 
         - ``agent``
 
     *   - ``SPLUNK_TRACE_URL``