Move metro-babel-register into repo-config (devDependencies)

Summary:
Removes `metro-babel-register` as a runtime dependency of the `react-native` package, where it is only used as a dev dependency (in the Jest preprocessor).

Changelog: [Internal]

Reviewed By: javache

Differential Revision: D31177424

fbshipit-source-id: bf7b7216116744a3234beea089d0028c0bfe4d1e

package.json

@@ -102,7 +102,6 @@
     "hermes-engine": "~0.9.0",
     "invariant": "^2.2.4",
     "jsc-android": "^250230.2.1",
-    "metro-babel-register": "0.66.2",
     "metro-react-native-babel-transformer": "0.66.2",
     "metro-runtime": "0.66.2",
     "metro-source-map": "0.66.2",

repo-config/package.json

@@ -40,6 +40,7 @@
     "jest": "^26.6.3",
     "jest-junit": "^10.0.0",
     "jscodeshift": "^0.11.0",
+    "metro-babel-register": "0.66.2",
     "metro-transform-plugins": "^0.66.2",
     "mkdirp": "^0.5.1",
     "prettier": "1.19.1",