SSDM-7589 : NEW openBIS UI - Permanent URLs - remove old .babelrc (babel.config.js is now used)

openbis_ng_ui/.babelrc

-{
-    "presets":["@babel/preset-env", "@babel/preset-react"],
-    "plugins": ["@babel/plugin-transform-runtime", "@babel/plugin-proposal-object-rest-spread", "@babel/plugin-proposal-class-properties"]
-}