ARM: defconfig: remove CONFIG_SLUB references

SLUB is now the only remaining allocator after the SLAB removal and it
was the default already before that, so no need to mention it in the
defconfig files.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/clps711x_defconfig

@@ -14,7 +14,6 @@ CONFIG_ARCH_EDB7211=y
 CONFIG_ARCH_P720T=y
 CONFIG_AEABI=y
 # CONFIG_COREDUMP is not set
-CONFIG_SLUB=y
 CONFIG_SLUB_TINY=y
 CONFIG_NET=y
 CONFIG_PACKET=y

arch/arm/configs/collie_defconfig

@@ -13,7 +13,6 @@ CONFIG_CMDLINE="noinitrd root=/dev/mtdblock2 rootfstype=jffs2 fbcon=rotate:1"
 CONFIG_FPE_NWFPE=y
 CONFIG_PM=y
 # CONFIG_SWAP is not set
-CONFIG_SLUB=y
 CONFIG_SLUB_TINY=y
 CONFIG_NET=y
 CONFIG_PACKET=y

arch/arm/configs/multi_v4t_defconfig

@@ -25,7 +25,6 @@ CONFIG_ARM_CLPS711X_CPUIDLE=y
 CONFIG_JUMP_LABEL=y
 CONFIG_PARTITION_ADVANCED=y
 # CONFIG_COREDUMP is not set
-CONFIG_SLUB=y
 CONFIG_SLUB_TINY=y
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y

arch/arm/configs/omap1_defconfig

@@ -40,7 +40,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_BINFMT_MISC=y
 # CONFIG_SWAP is not set
-CONFIG_SLUB=y
 CONFIG_SLUB_TINY=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 CONFIG_NET=y

arch/arm/configs/pxa_defconfig

@@ -44,7 +44,6 @@ CONFIG_PARTITION_ADVANCED=y
 CONFIG_LDM_PARTITION=y
 CONFIG_CMDLINE_PARTITION=y
 CONFIG_BINFMT_MISC=y
-CONFIG_SLUB=y
 CONFIG_SLUB_TINY=y
 # CONFIG_COMPACTION is not set
 CONFIG_NET=y