Removed reference to tools repos (Azure#11239)

Author: praveenkuttappan

sdk/eventgrid/eventgrid/tests.yml

@@ -1,13 +1,5 @@
 trigger: none
-resources:
-  repositories:
-    - repository: azure-sdk-build-tools
-      type: git
-      name: internal/azure-sdk-build-tools
-    - repository: azure-sdk-tools
-      type: github
-      name: Azure/azure-sdk-tools
-      endpoint: azure
+
 jobs:
   - template: ../../../eng/pipelines/templates/jobs/archetype-sdk-integration.yml
     parameters: