Merge pull request #438 from alexanderfahlke/fix-push-to-coveralls

removed automatic push to coveralls fixes grpc/grpc-go#436
diff --git a/coverage.sh b/coverage.sh
index b67e85f..9de8c91 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -29,7 +29,6 @@
 
 generate_cover_data $(go list ./...)
 show_cover_report func
-push_to_coveralls
 case "$1" in
 "")
     ;;