Remove out of the box commonjs plugin

package.json

@@ -13,7 +13,6 @@
   },
   "babel": {
     "plugins": [
-      "@babel/transform-modules-commonjs",
       "@babel/transform-async-to-generator"
     ]
   },
@@ -42,7 +41,6 @@
   "devDependencies": {
     "@babel/core": "^7.2.2",
     "@babel/plugin-transform-async-to-generator": "^7.2.0",
-    "@babel/plugin-transform-modules-commonjs": "^7.2.0",
     "babel-jest": "^24.0.0",
     "jest": "^24.0.0",
     "prettier": "^1.16.1",

yarn.lock

@@ -63,17 +63,6 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-module-transforms@^7.1.0":
-  version "7.2.2"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.2.2.tgz#ab2f8e8d231409f8370c883d20c335190284b963"
-  dependencies:
-    "@babel/helper-module-imports" "^7.0.0"
-    "@babel/helper-simple-access" "^7.1.0"
-    "@babel/helper-split-export-declaration" "^7.0.0"
-    "@babel/template" "^7.2.2"
-    "@babel/types" "^7.2.2"
-    lodash "^4.17.10"
-
 "@babel/helper-plugin-utils@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz#bbb3fbee98661c569034237cc03967ba99b4f250"
@@ -88,13 +77,6 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
-"@babel/helper-simple-access@^7.1.0":
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz#65eeb954c8c245beaa4e859da6188f39d71e585c"
-  dependencies:
-    "@babel/template" "^7.1.0"
-    "@babel/types" "^7.0.0"
-
 "@babel/helper-split-export-declaration@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz#3aae285c0311c2ab095d997b8c9a94cad547d813"
@@ -144,14 +126,6 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/helper-remap-async-to-generator" "^7.1.0"
 
-"@babel/plugin-transform-modules-commonjs@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.2.0.tgz#c4f1933f5991d5145e9cfad1dfd848ea1727f404"
-  dependencies:
-    "@babel/helper-module-transforms" "^7.1.0"
-    "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/helper-simple-access" "^7.1.0"
-
 "@babel/template@^7.0.0", "@babel/template@^7.1.0", "@babel/template@^7.1.2", "@babel/template@^7.2.2":
   version "7.2.2"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.2.2.tgz#005b3fdf0ed96e88041330379e0da9a708eb2907"