Eliminate unnecessary comments

handwritten/bigtable/cloudbuild.yaml

@@ -1,6 +1,3 @@
-# cloudbuild.yaml
-# Placed inside handwritten/bigtable/
-
 steps:
 # 1. Set up Node.js environment
 - name: 'gcr.io/cloud-builders/npm'
@@ -15,7 +12,7 @@ steps:
   dir: 'handwritten/bigtable'
   id: 'install-dependencies'
 
-# 3. Configure environment variables for the tests and run system tests
+# 2. Configure environment variables for the tests and run system tests
 #    - GOOGLE_APPLICATION_CREDENTIALS: GCB steps run as a service account
 #      that is typically granted permissions directly. Explicitly setting
 #      GOOGLE_APPLICATION_CREDENTIALS might not be needed if the GCB service
@@ -39,7 +36,7 @@ steps:
   #   - name: 'sa-keys'
   #     path: '/secrets'
 
-# 4. (Optional) Code Coverage Reporting
+# 3. (Optional) Code Coverage Reporting
 - name: 'gcr.io/cloud-builders/npm'
   entrypoint: 'bash'
   args: