src: Remove unused 'include <cpu/intel/common/common.h>

Found using:
diff <(git grep -l '#include <cpu/intel/common/common.h>' -- src/) <(git grep -l 'set_vmx_and_lock\|set_feature_ctrl_vmx\|set_feature_ctrl_lock\|cppc_config\|cpu_init_cppc_config\|intel_ht_sibling' -- src/) |grep '<'

Change-Id: I4d749a32aa50fa2f005e8496983013977742a99b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42394
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/intel/model_1067x/model_1067x_init.c

@@ -9,7 +9,7 @@
 #include <cpu/x86/cache.h>
 #include <cpu/x86/name.h>
 #include <cpu/intel/smm_reloc.h>
-#include <cpu/intel/common/common.h>
+
 #include "chip.h"
 
 static void init_timer(void)

src/cpu/intel/model_106cx/model_106cx_init.c

@@ -8,7 +8,6 @@
 #include <cpu/intel/speedstep.h>
 #include <cpu/x86/cache.h>
 #include <cpu/x86/name.h>
-#include <cpu/intel/common/common.h>
 
 #define HIGHEST_CLEVEL		3
 static void configure_c_states(void)

src/cpu/intel/model_6ex/model_6ex_init.c

@@ -8,7 +8,6 @@
 #include <cpu/intel/speedstep.h>
 #include <cpu/x86/cache.h>
 #include <cpu/x86/name.h>
-#include <cpu/intel/common/common.h>
 
 #define HIGHEST_CLEVEL		3
 static void configure_c_states(void)

src/cpu/intel/model_6fx/model_6fx_init.c

@@ -8,7 +8,6 @@
 #include <cpu/intel/speedstep.h>
 #include <cpu/x86/cache.h>
 #include <cpu/x86/name.h>
-#include <cpu/intel/common/common.h>
 
 #define HIGHEST_CLEVEL		3
 static void configure_c_states(void)