Revert PR #1326 (#1336)

Make lib peerDepend on loopback-connector (#1326)

This reverts commit 67e8f3708a.

package.json

@@ -34,20 +34,17 @@
     "async-iterators": "^0.2.2",
     "eslint": "^3.12.2",
     "eslint-config-loopback": "^8.0.0",
-    "loopback-connector": "^4.0.0",
     "loopback-connector-throwing": "file:./test/fixtures/loopback-connector-throwing",
     "mocha": "^3.2.0",
     "should": "^8.4.0"
   },
-  "peerDependencies": {
-    "loopback-connector": "^4.0.0"
-  },
   "dependencies": {
     "async": "~2.1.4",
     "bluebird": "^3.1.1",
     "debug": "^2.1.1",
     "depd": "^1.0.0",
     "inflection": "^1.6.0",
+    "loopback-connector": "^4.0.0",
     "minimatch": "^3.0.3",
     "qs": "^6.3.0",
     "shortid": "^2.2.6",