remove -q from git clone (#133)

This makes it easier to reason about what this script is doing.

regen.sh

@@ -23,7 +23,6 @@ set -e
 
 PKG=google.golang.org/genproto
 PROTO_REPO=https://github.com/google/protobuf
-PROTO_SUBDIR=src/google/protobuf
 GOOGLEAPIS_REPO=https://github.com/googleapis/googleapis
 API_COMMON_REPO=https://github.com/googleapis/api-common-protos.git
 
@@ -48,7 +47,7 @@ trap 'rm -rf $remove_dirs' EXIT
 
 if [ -z "$PROTOBUF" ]; then
   proto_repo_dir=$(mktemp -d -t regen-cds-proto.XXXXXX)
-  git clone -q $PROTO_REPO $proto_repo_dir &
+  git clone $PROTO_REPO $proto_repo_dir
   remove_dirs="$proto_repo_dir"
   # The protoc include directory is actually the "src" directory of the repo.
   protodir="$proto_repo_dir/src"
@@ -58,7 +57,7 @@ fi
 
 if [ -z "$GOOGLEAPIS" ]; then
   apidir=$(mktemp -d -t regen-cds-api.XXXXXX)
-  git clone -q $GOOGLEAPIS_REPO $apidir &
+  git clone $GOOGLEAPIS_REPO $apidir
   remove_dirs="$remove_dirs $apidir"
 else
   apidir="$GOOGLEAPIS"
@@ -66,7 +65,7 @@ fi
 
 if [ -z "$COMMONPROTOS" ]; then
   commondir=$(mktemp -d -t regen-cds-common.XXXXXX)
-  git clone -q $API_COMMON_REPO $commondir &
+  git clone $API_COMMON_REPO $commondir
   remove_dirs="$remove_dirs $commondir"
 else
   commondir="$COMMONPROTOS"