befs: remove check for CONFIG_BEFS_RW

Befs contains a check for CONFIG_BEFS_RW for over a decade now. The
related Kconfig symbol never existed, so this check always evaluated to
true. Remove it.
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

fs/befs/linuxvfs.c

@@ -808,13 +808,11 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
 
 	befs_debug(sb, "---> befs_fill_super()");
 
-#ifndef CONFIG_BEFS_RW
 	if (!(sb->s_flags & MS_RDONLY)) {
 		befs_warning(sb,
 			     "No write support. Marking filesystem read-only");
 		sb->s_flags |= MS_RDONLY;
 	}
-#endif				/* CONFIG_BEFS_RW */
 
 	/*
 	 * Set dummy blocksize to read super block.