fix: remove (includes samples) from overview link

b/404600681
The samples inside the GitHub repositories are not meant for user consumption and are better portrayed in https://cloud.google.com/docs/samples

Author: diegomarquezp

third_party/docfx-doclet-143274/src/main/java/com/microsoft/model/LibraryOverviewFile.java

@@ -87,7 +87,7 @@ public LibraryOverviewFile(
             + " Product Reference</a></td>\n"
             + "     <td><a href=\""
             + repoMetadata.getGithubLink()
-            + "\">GitHub Repository (includes samples)</a></td>\n"
+            + "\">GitHub Repository</a></td>\n"
             + "     <td><a href=\""
             + repoMetadata.getMavenLink()
             + "\">Maven artifact</a></td>\n"