Revert "[Quant][PT2E] enable qlinear post op fusion for dynamic quant…

… & qat (#122667)"

This reverts commit 3642e51.

Reverted #122667 on behalf of https://github.com/DanilBaibak due to Break internal build ([comment](#122667 (comment)))

test/inductor/test_mkldnn_pattern_matcher.py

@@ -1688,21 +1688,17 @@ def matcher_check_fn():
                 to_bf16_after_binary = 2 * (add_fn == add_fn_list[2] and fq_x2)
                 self.assertEqual(
                     counters["inductor"]["qlinear_binary_matcher_nodes"],
-                    (4 if is_dynamic else 5) + 2 * use_relu + to_bf16_after_binary,
+                    5 + 2 * use_relu + to_bf16_after_binary,
                 )
 
-            is_qat_list = [False, True]
-            is_dynamic_list = [False, True]
-            cases = itertools.product(is_qat_list, is_dynamic_list)
-            for is_qat, is_dynamic in cases:
+            for is_qat in [False, True]:
                 self._test_common(
                     mod,
                     (v,),
                     check_quantization=True,
                     check_autocast=torch.bfloat16 if int8_mixed_bf16 else torch.float,
                     matcher_check_fn=matcher_check_fn,
                     is_qat=is_qat,
-                    is_dynamic=is_dynamic,
                 )
 
     @skipIfNoDynamoSupport