Documentation/fsck-msgids: remove duplicate msg id

The `gitmodulesLarge` is repeated twice. Remove the second duplicate.

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: KarthikNayak

Documentation/fsck-msgids.adoc

@@ -104,9 +104,6 @@
 `gitmodulesParse`::
 	(INFO) Could not parse `.gitmodules` blob.
 
-`gitmodulesLarge`;
-	(ERROR) `.gitmodules` blob is too large to parse.
-
 `gitmodulesPath`::
 	(ERROR) `.gitmodules` path is invalid.