Drop Intel build system specific ifdefs (INTEL_CET_ENABLED and AS_FEATURE_LEVEL) since
they do not exist in the RHEL build system.

While we have __CET__ for cf-protection-enabled builds, we cannot pass it to "nasm" as it
is noted by the "--cf-protection" token in CFLAGS. So enable cf-protection for assembly
files unconditionally.

--- ./quickassist/lookaside/access_layer/src/common/compression/reg_sizes.asm.orig	2024-06-29 16:01:35.806838838 +0200
+++ ./quickassist/lookaside/access_layer/src/common/compression/reg_sizes.asm	2024-06-29 16:03:38.883926951 +0200
@@ -195,20 +195,16 @@
 
 %define XWORD(reg) reg %+ x
 
-%ifdef INTEL_CET_ENABLED
- %ifdef __NASM_VER__
-  %if AS_FEATURE_LEVEL >= 10
-   %ifidn __OUTPUT_FORMAT__,elf32
+%ifdef __NASM_VER__
+ %ifidn __OUTPUT_FORMAT__,elf32
 section .note.gnu.property  note  alloc noexec align=4
 DD 0x00000004,0x0000000c,0x00000005,0x00554e47
 DD 0xc0000002,0x00000004,0x00000003
-   %endif
-   %ifidn __OUTPUT_FORMAT__,elf64
+ %endif
+ %ifidn __OUTPUT_FORMAT__,elf64
 section .note.gnu.property  note  alloc noexec align=8
 DD 0x00000004,0x00000010,0x00000005,0x00554e47
 DD 0xc0000002,0x00000004,0x00000003,0x00000000
-   %endif
-  %endif
  %endif
 %endif