Remove unused dependencies

pubspec.yaml

@@ -31,14 +31,12 @@ dev_dependencies:
   build_runner: ^2.0.0
   build_test: ^2.0.0
   build_web_compilers: ^3.0.0
-  built_value_generator: ^8.0.0
   dart_dev: ^4.0.1
   dependency_validator: ^3.0.0
   glob: ^2.0.1
   io: ^1.0.0
   react_testing_library: ^3.0.1
   over_react_test: ^3.0.0
-  pedantic: ^1.11.1
   test: ^1.20.0
   workiva_analysis_options: ^1.4.0
   yaml: ^3.1.0

test/over_react/component_declaration/component_base_test.dart

@@ -24,7 +24,6 @@ import 'package:over_react/over_react.dart' show Dom, DummyComponent, DummyCompo
 import 'package:over_react/over_react.dart' as over_react;
 import 'package:over_react/src/component_declaration/component_base.dart';
 import 'package:over_react/src/component_declaration/component_type_checking.dart';
-import 'package:pedantic/pedantic.dart';
 import 'package:react/react_client.dart';
 import 'package:test/test.dart';
 import 'package:w_common/disposable.dart';

test/over_react/component_declaration/flux_component_test/component2/flux_component_test.dart

@@ -20,7 +20,6 @@ import 'dart:async';
 import 'dart:html';
 
 import 'package:logging/logging.dart';
-import 'package:pedantic/pedantic.dart';
 import 'package:test/test.dart';
 import 'package:w_flux/w_flux.dart';
 import 'package:over_react/over_react.dart';

test/over_react/util/rem_util_test.dart

@@ -21,7 +21,6 @@ import 'dart:html';
 import 'package:over_react/src/util/css_value_util.dart';
 import 'package:over_react/src/util/rem_util.dart';
 import 'package:over_react/src/util/test_mode.dart';
-import 'package:pedantic/pedantic.dart';
 import 'package:test/test.dart';
 
 import '../../test_util/test_util.dart';