fix(rollup): remove experimentalCodeSplitting from config (#82)

* style(rollup): changes from running 'npm run format'

* fix(rollup): remove experimentalCodeSplitting from config

as of rollup 1.0.0, experimentalCodeSplitting is always active and has been removed as a valid
option. removing from the config to resolve the warning received during build.

Author: jeffdetmer

src/config/rollup.config.js

@@ -139,7 +139,6 @@ const replacements = Object.entries(
 module.exports = {
   input: codeSplitting ? input : input[0],
   output,
-  experimentalCodeSplitting: codeSplitting,
   external: externalPredicate,
   plugins: [
     isNode ? nodeBuiltIns() : null,

src/scripts/build/rollup.js

@@ -23,8 +23,8 @@ const useBuiltinConfig =
 const config = useBuiltinConfig
   ? `--config ${hereRelative('../../config/rollup.config.js')}`
   : args.includes('--config')
-    ? ''
-    : '--config' // --config will pick up the rollup.config.js file
+  ? ''
+  : '--config' // --config will pick up the rollup.config.js file
 
 const environment = parsedArgs.environment
   ? `--environment ${parsedArgs.environment}`