changed cleanup_env job example

Author: Amark19

src/examples/cleanup_env.yml

@@ -1,13 +1,10 @@
-description: >
-  Sample example description.
-# Provide a use-case based example for using this orb.
-# Everything in the `usage` section will be displayed in the orb registry.
-# Comments are not retained.
-usage:
-  version: 2.1
-  orbs:
-    <orb-name>: <namespace>/<orb-name>@1.2.3
-  workflows:
-    use-my-orb:
-      jobs:
-        - <orb-name>/<job-name>
+version: '2.1'
+orbs:
+  browserstack-circleci-orb: browserstack/[email protected]
+workflows:
+  cleanup-job-example:
+    jobs:
+      - my_test_job
+      - browserstack-circleci-orb/cleanup_env:
+          requires:
+            - my_test_job