Remove unused tslib and tsutils dependencies

Author: epiphone

package.json

@@ -31,8 +31,7 @@
     "lodash": "^4.17.10",
     "openapi3-ts": "^1.2.0",
     "path-to-regexp": "^2.2.1",
-    "reflect-metadata": "^0.1.12",
-    "tslib": "^1.9.3"
+    "reflect-metadata": "^0.1.12"
   },
   "devDependencies": {
     "@team-griffin/install-self-peers": "^1.1.1",
@@ -53,7 +52,6 @@
     "tslint": "^5.18.0",
     "tslint-config-prettier": "^1.18.0",
     "tslint-config-standard": "^8.0.1",
-    "tsutils": "^3.14.0",
     "typescript": "^3.5.3"
   },
   "peerDependencies": {

yarn.lock

@@ -3275,10 +3275,6 @@ tslib@^1.8.1:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
 
-tslib@^1.9.3:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-
 tslint-config-prettier@^1.18.0:
   version "1.18.0"
   resolved "https://registry.yarnpkg.com/tslint-config-prettier/-/tslint-config-prettier-1.18.0.tgz#75f140bde947d35d8f0d238e0ebf809d64592c37"
@@ -3327,12 +3323,6 @@ tsutils@^2.29.0:
   dependencies:
     tslib "^1.8.1"
 
-tsutils@^3.14.0:
-  version "3.14.0"
-  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.14.0.tgz#bf8d5a7bae5369331fa0f2b0a5a10bd7f7396c77"
-  dependencies:
-    tslib "^1.8.1"
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"