86822 Remove unused tiles_scroll_perf_iphonexs__timeline_summary (a: tests, team, cla: yes, waiting for tree to go green, tech-debt)

86826 Remove obsolete plugin_test_win (a: tests, team, cla: yes, waiting for tree to go green, tech-debt)

86827 Remove obsolete textfield_perf test (a: tests, team, cla: yes, waiting for tree to go green, tech-debt)

86828 Remove unused flutter_run_test (a: tests, team, cla: yes, waiting for tree to go green, tech-debt)

86829 Remove unused web_incremental_test (a: tests, team, cla: yes, waiting for tree to go green, tech-debt)