The :CompilerSet command was added in version Vim 6.4 which was released
twenty years ago. Other runtime files do not support versions of that
vintage so it is reasonable to remove this fallback command definition
now.
closes: #14399
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>