roll back build script changes

.scripts/verify-pull-request.yaml

@@ -19,14 +19,6 @@ steps:
     npm install -g npm 
     npm cache clear --force
 
-    npm install -g pnpm
-    pnpm view @azure-tools/codegen versions
-
-    npm view @azure-tools/codegen versions
-
-    cat /home/vsts/work/1/s/common/temp/.npmrc
-
-
     npx @microsoft/rush update 
     rc=$?; if [ $rc -ne 0 ]; then exit $rc ; fi 
     npx @microsoft/rush rebuild