Merge pull request #2386 from Tjitse-E/patch-2

Remove trailing comma in Typescript config

Author: patzick

tsconfig.json

@@ -19,7 +19,7 @@
     "paths": {
       "core/*": ["core/*"],
       "theme/*": ["src/themes/default/*"], //needs testing with non-default theme!
-      "core/modules/*": ["./core/modules/*"],
+      "core/modules/*": ["./core/modules/*"]
     },
     "lib": ["es2017", "dom"]
   },