Merge branch 'rm-flutter-dep' into 1.x-vec-fix

Author: rainyl

pubspec.yaml

@@ -5,12 +5,8 @@ homepage: https://github.com/rainyl/opencv_dart
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
-  flutter: ">=3.0.0"
 
 dependencies:
-  flutter:
-    sdk: flutter
-  plugin_platform_interface: ^2.1.8
   ffi: ^2.1.3
   path: ^1.9.0
   args: ^2.5.0