Remove date-fns typings as they are now bundled with the library

date-fns/date-fns-tests.ts

@@ -1,14 +0,0 @@
-import {addDays, closestIndexTo, differenceInCalendarWeeks, max, isDate} from 'date-fns';
-import * as addHours from 'date-fns/add_hours';
-
-function test() {
-
-  addDays(new Date(), 5);
-  closestIndexTo(new Date(), [new Date(), new Date()]);
-  addHours(new Date(), 5);
-  differenceInCalendarWeeks(new Date(), new Date());
-  differenceInCalendarWeeks(new Date(), new Date(), {weekStartsOn: 1});
-  max(new Date(), new Date());
-  isDate({});
-
-}

date-fns/tsconfig.json

@@ -1,20 +0,0 @@
-{
-    "compilerOptions": {
-        "module": "commonjs",
-        "target": "es6",
-        "noImplicitAny": true,
-        "noImplicitThis": true,
-        "strictNullChecks": false,
-        "baseUrl": "../",
-        "typeRoots": [
-            "../"
-        ],
-        "types": [],
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "date-fns-tests.ts"
-    ]
-}

notNeededPackages.json

@@ -204,10 +204,16 @@
             "asOfVersion": "2.0.2"
         },
         {
-             "libraryName": "ajv",
-             "typingsPackageName": "ajv",
-             "sourceRepoURL": "https://github.com/epoberezkin/ajv",
-             "asOfVersion": "1.0.0"
+            "libraryName": "ajv",
+            "typingsPackageName": "ajv",
+            "sourceRepoURL": "https://github.com/epoberezkin/ajv",
+            "asOfVersion": "1.0.0"
+        },
+        {
+            "libraryName": "date-fns",
+            "typingsPackageName": "date-fns",
+            "sourceRepoURL": "https://github.com/date-fns/date-fns",
+            "asOfVersion": "2.6.0"
         }
     ]
-}
+}