fix outdated tslint settings

tslint.json

@@ -23,9 +23,7 @@
     "no-duplicate-variable": true,
     "no-empty": false,
     "no-eval": true,
-    "no-imports": true,
     "no-string-literal": false,
-    "no-trailing-comma": true,
     "no-trailing-whitespace": true,
     "no-unused-variable": false,
     "no-unreachable": true,