Update shippable.yml

Author: vidyar

shippable.yml

@@ -7,9 +7,6 @@ script:
   - nosetests python/sample.py --with-xunit --xunit-file=shippable/testresults/nosetests.xml
   - coverage run --branch python/sample.py
   - coverage xml -o shippable/codecoverage/coverage.xml python/sample.py
+
 notifications:
-  email:
-    recipients:
-    - vidyac.raghav@gmail.com
-  on_success: never
-  on_failure:  change
+  email: false