Delete old `CTRL_X` constant

We removed the signal handler that used this in
c1144625d59dd269838974b63cec400ca1ac8eb8. Now it's up to users to bind
their own shortcut.

1 files changed, 0 insertions, 1 deletions

diff --git a/vimput.pl b/vimput.pl
index 81dd3d0..2597933 100644
--- a/vimput.pl
+++ b/vimput.pl
@@ -42,7 +42,6 @@ our %IRSSI = {
 };
 
 
-use constant CTRL_X => 24;
 use constant ERROR_PREFIX => 'ERROR: ';
 use constant OK_PREFIX => 'OK: ';