Minor edits to GAE billing sample (#2787)

Ace Nassri · leahecole · web-flow · commit 48f7af782874 · 2020-02-11T10:02:14.000-08:00
Co-authored-by: Leah E. Cole &lt;6719667+leahecole@users.noreply.github.com&gt;
diff --git a/functions/billing/main.py b/functions/billing/main.py
@@ -36,13 +36,11 @@
 # [END functions_billing_slack]
 
 # [START functions_billing_limit]
-# [START functions_billing_limit_appengine]
 # [START functions_billing_stop]
 PROJECT_ID = os.getenv('GCP_PROJECT')
 PROJECT_NAME = f'projects/{PROJECT_ID}'
 # [END functions_billing_stop]
 # [END functions_billing_limit]
-# [END functions_billing_limit_appengine]
 
 # [START functions_billing_slack]
 
diff --git a/functions/billing/requirements.txt b/functions/billing/requirements.txt
@@ -1,3 +1,5 @@
 slackclient==2.5.0
+# [START functions_billing_limit_appengine_deps]
 oauth2client==4.1.3
 google-api-python-client==1.7.11
+# [START functions_billing_limit_appengine_deps]
