chore: update harp release and drop terraform patch script (angular#2754)

Author: chalin

package.json

@@ -48,7 +48,7 @@
     "gulp-tslint": "^5.0.0",
     "gulp-util": "^3.0.6",
     "gulp-watch": "^4.3.4",
-    "harp": "0.21.0-pre.1",
+    "harp": "^0.21.0",
     "html2jade": "^0.8.4",
     "indent-string": "^2.1.0",
     "jasmine-core": "^2.3.4",

scripts/install.sh

@@ -16,9 +16,6 @@ fi
 echo "Installing main packages ..."
 npm install --no-optional
 
-echo "Patching ..."
-source ./scripts/patch.sh
-
 if [ -z "$TRAVIS" ]; then
     echo "Rebuilding node-sass, just in case ..."
     npm rebuild node-sass;