arch: Remove leftovers from mandatory file locking

This config was removed so remove all references to it.

Fixes: f7e33bdb ("fs: remove mandatory file locking support")
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/mips/configs/decstation_64_defconfig

@@ -144,7 +144,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_MANDATORY_FILE_LOCKING is not set
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
 CONFIG_PROC_KCORE=y

arch/mips/configs/decstation_defconfig

@@ -140,7 +140,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_MANDATORY_FILE_LOCKING is not set
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
 CONFIG_PROC_KCORE=y

arch/mips/configs/decstation_r4k_defconfig

@@ -140,7 +140,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_MANDATORY_FILE_LOCKING is not set
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
 CONFIG_PROC_KCORE=y