Moved webpack-env to separate folder (#11684)

webpack-env/tsconfig.json

@@ -0,0 +1,19 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "strictNullChecks": false,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "webpack-env-tests.ts"
+    ]
+}

webpack/tsconfig.json

@@ -14,7 +14,6 @@
     },
     "files": [
         "index.d.ts",
-        "webpack-env.d.ts",
         "webpack-tests.ts"
     ]
 }