79674 Revert “Support block delete with word and line modifiers (#77172)” (cla: yes, framework)

79695 Support block delete with word and line modifiers (cla: yes, framework)

79743 Update the Dismissible code sample (cla: yes, d: examples, framework, waiting for tree to go green)

79771 Fix typo in scroll_activity.dart (cla: yes, framework, waiting for tree to go green)

79817 [web] Enable Cupertino text field tests on web (a: tests, a: text input, cla: yes, f: cupertino, framework, platform-web, tech-debt, waiting for tree to go green)

79828 Revert “Fix error when choose noon on time picker (#78478)” (cla: yes, f: material design, framework)