fix: remove unused dependency

"@verdaccio/local-storage" is not part of this repo

Author: @jotadeveloper

plugins/verdaccio-google-cloud/package.json

@@ -26,34 +26,33 @@
   "author": "Juan Picado <juanpicado19@gmail.com>",
   "license": "MIT",
   "dependencies": {
-    "@google-cloud/datastore": "^2.0.0",
-    "@google-cloud/storage": "^2.5.0",
-    "@verdaccio/local-storage": "^2.1.0",
-    "@verdaccio/streams": "^1.0.0",
-    "fast-crc32c": "^1.0.4",
-    "http-errors": "1.7.1"
+    "@google-cloud/datastore": "2.0.0",
+    "@google-cloud/storage": "2.5.0",
+    "@verdaccio/streams": "2.0.0",
+    "fast-crc32c": "1.0.4",
+    "http-errors": "1.7.2"
   },
   "devDependencies": {
-    "@commitlint/cli": "7.5.2",
-    "@commitlint/config-conventional": "7.5.0",
-    "@commitlint/travis-cli": "7.0.0",
-    "@types/google-cloud__datastore": "^1.3.3",
+    "@commitlint/cli": "8.0.0",
+    "@commitlint/config-conventional": "8.0.0",
+    "@commitlint/travis-cli": "8.0.0",
+    "@types/google-cloud__datastore": "1.3.3",
     "@types/http-errors": "1.6.1",
-    "@types/jest": "24.0.11",
-    "@types/node": "11.12.1",
-    "@verdaccio/babel-preset": "0.1.0",
-    "@verdaccio/eslint-config": "^0.0.1",
+    "@types/jest": "24.0.15",
+    "@types/node": "12.0.10",
+    "@verdaccio/babel-preset": "0.2.1",
+    "@verdaccio/eslint-config": "0.0.1",
     "@verdaccio/types": "5.0.0-beta.4",
-    "codecov": "3.2.0",
+    "codecov": "3.5.0",
     "cross-env": "5.2.0",
-    "eslint": "^5.16.0",
-    "husky": "2.1.0",
-    "jest": "24.5.0",
+    "eslint": "6.0.0",
+    "husky": "2.4.1",
+    "jest": "24.8.0",
     "lint-staged": "7.2.0",
-    "memory-fs": "^0.4.1",
+    "memory-fs": "0.4.1",
     "rmdir-sync": "1.0.1",
-    "standard-version": "5.0.2",
-    "typescript": "3.2.4"
+    "standard-version": "6.0.1",
+    "typescript": "3.5.2"
   },
   "engines": {
     "node": ">=8"