[PATCH 2/4] git-mergetool: remove redundant assignment

TOOL_MODE is set at the top of git-mergetool.sh so there is no need to
set it again in show_tool_help.  Removing this lets us re-use
show_tool_help in git-difftool.

Signed-off-by: John Keeping <redacted>
---
 git-mergetool--lib.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 89a857f..1748315 100644
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh

@@ -175,7 +175,6 @@ list_merge_tool_candidates () {
 }
 
 show_tool_help () {
-	TOOL_MODE=merge
 	list_merge_tool_candidates
 	unavailable= available= LF='
 '

-- 
1.8.1