runtime(doc): remove obsolete Ex insert behavior Commit: https://github.com/vim/vim/commit/74703f1086e7815f356123736666d9930db8683a Author: Mohamed Akram <mohd.akram@outlook.com> Date: Fri Jul 12 18:53:07 2024 +0200 runtime(doc): remove obsolete Ex insert behavior related: https://github.com/vim/vim/issues/15120 closes: https://github.com/vim/vim/issues/15228 Signed-off-by: Mohamed Akram <mohd.akram@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org>