Remove 'coveralls'

Signed-off-by: George Jenkins <gvjenkins@gmail.com>

scripts/coverage.sh

@@ -20,10 +20,6 @@ covermode=${COVERMODE:-atomic}
 coverdir=$(mktemp -d /tmp/coverage.XXXXXXXXXX)
 profile="${coverdir}/cover.out"
 
-pushd /
-hash goveralls 2>/dev/null || go install github.com/mattn/goveralls@v0.0.11
-popd
-
 generate_cover_data() {
   for d in $(go list ./...) ; do
     (
@@ -36,10 +32,6 @@ generate_cover_data() {
   grep -h -v "^mode:" "$coverdir"/*.cover >>"$profile"
 }
 
-push_to_coveralls() {
-  goveralls -coverprofile="${profile}" -service=github
-}
-
 generate_cover_data
 go tool cover -func "${profile}"
 
@@ -47,8 +39,5 @@ case "${1-}" in
   --html)
     go tool cover -html "${profile}"
     ;;
-  --coveralls)
-    push_to_coveralls
-    ;;
 esac