Revert "deps: disable avx512 for simutf on benchmark ci"

This reverts commit 09f33c9.

PR-URL: #45948
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

deps/simdutf/simdutf.gyp

@@ -1,9 +1,4 @@
 {
-  'variables': {
-    'gas_version%': '0.0',
-    'nasm_version%': '0.0',
-    'llvm_version%': '0.0',
-  },
   'targets': [
     {
       'target_name': 'simdutf',
@@ -13,16 +8,6 @@
         'include_dirs': ['.'],
       },
       'sources': ['simdutf.cpp'],
-      'conditions': [
-        ['OS=="linux"', {
-          'conditions': [
-            # TODO(anonrig): Remove this validation when benchmark CI has binutils >= 2.30
-            ['v(gas_version) < v("2.30") and v(nasm_version) < v("2.14") and v(llvm_version) < v("6.0")', {
-              'defines': ['SIMDUTF_IMPLEMENTATION_ICELAKE=0'],
-            }],
-          ],
-        }],
-      ],
     },
   ]
 }