cpu/x86/sse_enable.inc: Remove unused file

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I384d2f5148cd99ed4282acefaf19885e49d2e79d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75319
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/cpu/x86/sse_enable.inc

@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-	/* Preserve BIST. */
-	movl	%eax, %ebp
-
-	/* Enable SSE instructions. */
-	movl	%cr4, %eax
-	orl	$(1 << 9), %eax
-	movl	%eax, %cr4
-
-	/* Restore BIST. */
-	movl	%ebp, %eax