Sync eng/common directory with azure-sdk-tools for PR 1393 (#14294)

* Hide the package which set to true instead of putting to Other page

* Hide the package not showing in csv

* Added logging message

* fix the variable

* leave an extra space

* Update eng/common/docgeneration/Generate-DocIndex.ps1

Co-authored-by: Sima Zhu <sizhu@microsoft.com>
Co-authored-by: Wes Haggard <weshaggard@users.noreply.github.com>

eng/common/docgeneration/Generate-DocIndex.ps1

@@ -69,9 +69,8 @@ function Get-TocMapping {
         $serviceName = ""
         $displayName = ""
         if (!$packageInfo) {
-            LogWarning "There is no artifact $artifact. Please check csv of Azure/azure-sdk/_data/release/latest repo if this is intended. "
-            # If no service name retrieved, print out warning message, and put it into Other page.
-            $serviceName = "Other"
+            LogDebug "There is no service name for artifact $artifact or it is marked as hidden. Please check csv of Azure/azure-sdk/_data/release/latest repo if this is intended. "
+            continue
         }
         elseif (!$packageInfo[0].ServiceName) {
             LogWarning "There is no service name for artifact $artifact. Please check csv of Azure/azure-sdk/_data/release/latest repo if this is intended. "