lantiq: remove CPU_TYPE:=mips32r2, it gets overwritten anyway

Signed-off-by: Felix Fietkau <[email protected]>

target/linux/lantiq/Makefile

@@ -14,8 +14,6 @@ MAINTAINER:=John Crispin <[email protected]>
 
 KERNEL_PATCHVER:=4.4
 
-CPU_TYPE:=mips32r2
-
 define Target/Description
 	Build firmware images for Lantiq SoC
 endef