Get rid of `$child` variable

We got rid of the code that used it in
dd9e692fcedf220bca2b6981184c6ba2738cb6c3 but forgot to remove it in that
commit.

1 files changed, 0 insertions, 2 deletions

diff --git a/vimput.pl b/vimput.pl
index a445c9d..c0614b2 100644
--- a/vimput.pl
+++ b/vimput.pl
@@ -20,7 +20,6 @@ use constant CTRL_X => 24;
 use constant ERROR_PREFIX => 'ERROR: ';
 use constant OK_PREFIX => 'OK: ';
 
-my $child;
 my $forked = 0;
 
 
@@ -72,7 +71,6 @@ sub open_tmux_and_update_input_line_when_finished {
 	}
 
 	my $pid = fork();
-	$child = $pid;
 
 	if (!defined $pid) {
 		Irssi::print("Failed to fork: $!", MSGLEVEL_CLIENTERROR);