chore(gulp): update standard + remove unused gulp deps

Author: saveman71

package.json

@@ -25,9 +25,7 @@
     "del": "^5.1.0",
     "eslint": "^3.8.1",
     "gulp": "^3.9.1",
-    "gulp-htmlmin": "^3.0.0",
-    "gulp-jshint": "^2.0.1",
-    "gulp-standard": "^8.0.2",
+    "gulp-standard": "^8.0.4",
     "jasmine-core": "^2.5.2",
     "jquery": "^3.1.1",
     "jshint": "^2.9.4",