Enable lint unnecessary_new (#701)
Enable lint unnecessary_new (#701)

* enable unnecessary_new

* fix analyze

* Revert "fix analyze"

This reverts commit 1fa6b50012f168c3b8f87536810b4e8a0fad423a.

* format

fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins,fluttercommunity/plus_plugins