Revert "update hash as input format of weights is custom after post_o…

…ptimize_weights pass"

This reverts commit 00826ad.

src/plugins/intel_gpu/tests/unit/test_cases/hash_key_gpu_test.cpp

@@ -75,7 +75,7 @@ class check_hash_value: public ::testing::Test {
             ASSERT_EQ(params_hash, 8889154389021912103UL);
         } else {
             ASSERT_EQ(primitive_hash, 8017451717095756666UL);
-            ASSERT_EQ(params_hash, 2636104548379690535UL);
+            ASSERT_EQ(params_hash, 10847775446937354749UL);
         }
     }