cpu/intel/socket_m: Drop 'select SSE'

SSE is already slected by SSE2 through model_6{e,f}x/Kconfig

Change-Id: Ibe215cfe6aa6d7c215dd62e1ab2966d079c2a78d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61318
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/cpu/intel/socket_m/Kconfig

@@ -8,7 +8,6 @@ config SOCKET_SPECIFIC_OPTIONS
 	select CPU_INTEL_MODEL_6EX
 	select CPU_INTEL_MODEL_6FX
 	select MMX
-	select SSE
 
 config DCACHE_RAM_BASE
 	hex