Removing Cleanup stage from pr-pipeline.yml (#5261)

* Removing Cleanup stage from pr-pipeline.yml
* Updating dependsOn stages for pr-cleanup-pipeline.yml

Author: jestradaMS

build/pr-cleanup-pipeline.yml

@@ -14,7 +14,10 @@ resources:
         include:
           - '*'
       stages:
-        - cleanup
+        - testStu3
+        - testR4
+        - testR4B
+        - testR5
 
 variables:
 - template: pr-variables.yml

build/pr-pipeline.yml

@@ -442,16 +442,4 @@ stages:
       name: '$(DefaultLinuxPool)'
       vmImage: '$(LinuxVmImage)'
     steps:
-    - template: ./jobs/aggregate-coverage.yml
-
-- stage: cleanup
-  displayName: 'Cleanup Azure Environment'
-  dependsOn:
-  - testStu3
-  - testR4
-  - testR4B
-  - testR5
-  condition: succeeded()
-  jobs:
-  - template: ./jobs/cleanup.yml
-
+    - template: ./jobs/aggregate-coverage.yml