soc/intel/meteorlake: Remove unused pch_handle_sideband() function

This change removes the unused pch_handle_sideband() function from the
Meteor Lake platform code.

TEST=Able to build and boot google/rex.

Change-Id: Idd14748aa1d917d6e88d738541a737c04a2c6a15
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84189
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com>

src/soc/intel/meteorlake/finalize.c

@@ -23,21 +23,13 @@
 #include <soc/soc_chip.h>
 #include <soc/systemagent.h>
 
-static void pch_handle_sideband(config_t *config)
-{
-}
-
 static void pch_finalize(void)
 {
-	config_t *config = config_of_soc();
-
 	/* TCO Lock down */
 	tco_lockdown();
 
 	/* TODO: Add Thermal Configuration */
 
-	pch_handle_sideband(config);
-
 	pmc_clear_pmcon_sts();
 }