Delete all devDependencies except gulp-less

package.json

@@ -20,47 +20,6 @@
   "homepage": "https://github.com/omcrn/yii2-i18ncontent#readme",
 
   "devDependencies": {
-    "estraverse": "~4.1.0",
-    "gulp": "~3.9.0",
-    "gulp-autoprefixer": "~3.0.2",
-    "gulp-angular-templatecache": "~1.8.0",
-    "del": "~2.0.2",
-    "lodash": "~3.10.1",
-    "gulp-cssnano": "~2.1.1",
-    "gulp-filter": "~3.0.1",
-    "gulp-flatten": "~0.2.0",
-    "gulp-eslint": "~1.0.0",
-    "eslint-plugin-angular": "~0.12.0",
-    "gulp-load-plugins": "~0.10.0",
-    "gulp-size": "~2.0.0",
-    "gulp-uglify": "~1.4.1",
-    "gulp-useref": "~3.0.3",
-    "gulp-util": "~3.0.6",
-    "gulp-ng-annotate": "~1.1.0",
-    "gulp-replace": "~0.5.4",
-    "gulp-rename": "~1.2.2",
-    "gulp-rev": "~6.0.1",
-    "gulp-rev-replace": "~0.4.2",
-    "gulp-htmlmin": "~1.3.0",
-    "gulp-inject": "~3.0.0",
-    "gulp-protractor": "~2.1.0",
-    "gulp-sourcemaps": "~1.6.0",
-    "gulp-sass": "~2.0.4",
-    "gulp-less": "~3.3.0",
-    "main-bower-files": "~2.9.0",
-    "wiredep": "~2.2.2",
-    "karma": "~0.13.10",
-    "karma-jasmine": "~0.3.6",
-    "karma-phantomjs-launcher": "~0.2.1",
-    "phantomjs": "~1.9.18",
-    "karma-angular-filesort": "~1.0.0",
-    "karma-phantomjs-shim": "~1.2.0",
-    "karma-coverage": "~0.5.2",
-    "karma-ng-html2js-preprocessor": "~0.2.0",
-    "browser-sync": "~2.9.11",
-    "browser-sync-spa": "~1.0.3",
-    "http-proxy-middleware": "~0.9.0",
-    "chalk": "~1.1.1",
-    "uglify-save-license": "~0.4.1"
+    "gulp-less": "~3.3.0"
   }
 }