File remove-file.patch of Package bcmatroska2

--- bcmatroska2/corec/corec/CMakeLists.txt.orig	2023-01-04 14:08:11.653653391 +0100
+++ bcmatroska2/corec/corec/CMakeLists.txt	2023-01-04 14:08:24.565720225 +0100
@@ -52,7 +52,6 @@
 else()
 	list(APPEND COREC_SOURCES
 		helpers/date/date_libc.c
-		helpers/file/file_libc.c
 		helpers/file/file_bctbx.c
 		multithread/multithread_pthread.c
 	)