drm/i915/gt: Remove {} from if-else

In accordance to Linux coding style(Documentation/process/4.Coding.rst),
remove unneeded braces from if-else block as all arms of this block
contain single statements.
Suggested-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Soumya Negi <soumya.negi97@gmail.com>
Acked-by: Karolina Stolarek <karolina.stolarek@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231026044309.17213-1-soumya.negi97@gmail.com

drivers/gpu/drm/i915/gt/intel_ggtt.c

@@ -226,17 +226,16 @@ static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
 	gen8_ggtt_invalidate(ggtt);
 
 	list_for_each_entry(gt, &ggtt->gt_list, ggtt_link) {
-		if (intel_guc_tlb_invalidation_is_available(&gt->uc.guc)) {
+		if (intel_guc_tlb_invalidation_is_available(&gt->uc.guc))
 			guc_ggtt_ct_invalidate(gt);
-		} else if (GRAPHICS_VER(i915) >= 12) {
+		else if (GRAPHICS_VER(i915) >= 12)
 			intel_uncore_write_fw(gt->uncore,
 					      GEN12_GUC_TLB_INV_CR,
 					      GEN12_GUC_TLB_INV_CR_INVALIDATE);
-		} else {
+		else
 			intel_uncore_write_fw(gt->uncore,
 					      GEN8_GTCR, GEN8_GTCR_INVALIDATE);
 	}
-	}
 }
 
 static u64 mtl_ggtt_pte_encode(dma_addr_t addr,