Remove unneeded .eslintrc files (#6815) [skip ci]

.eslintrc

@@ -23,7 +23,12 @@
       }
     },
     {
-      "files": [ "packages/*/test/**/*.js", "test/**/*.js" ],
+      "files": [
+        "packages/*/test/**/*.js",
+        "experimental/*/test/**/*.js",
+        "codemods/*/test/**/*.js",
+        "test/**/*.js"
+      ],
       "env": {
         "mocha": true
       }

codemods/.eslintrc

@@ -1,6 +0,0 @@
-{
-  "rules": {
-    "prettier/prettier": ["error", { "trailingComma": "all" }],
-    "no-undefined-identifier": 2
-  }
-}

experimental/.eslintrc

@@ -1,6 +0,0 @@
-{
-  "rules": {
-    "prettier/prettier": ["error", { "trailingComma": "all" }],
-    "no-undefined-identifier": 2
-  }
-}

experimental/babel-preset-env/.eslintignore

@@ -1,6 +0,0 @@
-/lib
-debug-fixtures
-fixtures
-/data
-/flow-typed
-test/tmp

experimental/babel-preset-env/scripts/.eslintrc

@@ -1,5 +0,0 @@
-{
-    "rules": {
-      "prettier/prettier": ["error", { "trailingComma": "es5" }]
-    }
-  }

experimental/babel-preset-env/test/.eslintrc

@@ -1,8 +0,0 @@
-{
-  "env": {
-    "mocha": true
-  },
-  "rules": {
-    "max-len": 0
-  }
-}

packages/babel-polyfill/scripts/.eslintrc

@@ -1,5 +0,0 @@
-{
-  "rules": {
-    "prettier/prettier": ["error", { "trailingComma": "es5" }]
-  }
-}