Update pubspec.yaml

Author: polina-c

pubspec.yaml

@@ -8,7 +8,6 @@ license: BSD-3-Clause
 
 environment:
   sdk: ">=3.10.0 <4.0.0"
-  flutter: ">=3.35.7 <4.0.0"
 
 workspace:
   # TODO(polinach): Re-enable these packages.
@@ -27,6 +26,3 @@ workspace:
   # - tool/e2e
   - tool/fix_copyright
   - tool/test_and_fix
-
-flutter:
-  uses-material-design: true