Enable the link check for link verification step. (#1019)

This is the final step of link verification epic. 

Enable the link guidance check for all Ci pipelines.

The PR is pending for all lang PRs:
java: Azure/azure-sdk-for-java#15285
net: Azure/azure-sdk-for-net#15223
python: Azure/azure-sdk-for-python#13846
js: Azure/azure-sdk-for-js#11317
ios: Azure/azure-sdk-for-ios#433
android: Azure/azure-sdk-for-android#348
go: Azure/azure-sdk-for-go#12541
cpp: Azure/azure-sdk-for-cpp#632
c: Azure/azure-sdk-for-c#1296

eng/common/pipelines/templates/steps/verify-links.yml

@@ -4,7 +4,7 @@ parameters:
   WorkingDirectory: '$(System.DefaultWorkingDirectory)'
   ScriptDirectory: 'eng/common/scripts'
   Recursive: $false
-  CheckLinkGuidance: $false
+  CheckLinkGuidance: $true
   Urls: '(Get-ChildItem -Path ./ -Recurse -Include *.md)'
   BranchReplaceRegex: "^(${env:SYSTEM_PULLREQUEST_SOURCEREPOSITORYURI}.*/(?:blob|tree)/)master(/.*)$"
   BranchReplacementName: "${env:SYSTEM_PULLREQUEST_SOURCECOMMITID}"