Revert "Reapply "[dynamo] Support type inspection on unrealized LazyConstantVariables (#169513)" (#180856)"

Summary:
This reverts commit 0dd03562dfd81df775bf7aa4ecc9e83076bf0062.

Reverted pytorch/pytorch#180856 on behalf of https://github.com/laithsakka due to no signal ([comment](pytorch/pytorch#180856 (comment)))

Reviewed By: wdvr

Differential Revision: D102894142

fbshipit-source-id: 696a169e237c0e5e3a1fe40d23f921b60258d0c5

Author: generatedunixname499836121

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -2801,25 +2801,21 @@ def specialize_symnode(arg: Any) -> Any:
     from .variables import ConstantVariable, LazyVariableTracker, SymNodeVariable
 
     # Guard and specialize
-    if isinstance(arg, LazyVariableTracker):
-        if not arg.is_realized():
-            # Find if the arg would be realized as SymNodeVariable later on. If yes,
-            # realize it and specialize. Else return the arg.
-
-            source = arg.original_source()
-            value = arg.original_value()
-
-            is_symnode_vt = is_torch_sym(value) or (
-                not config.specialize_int
-                and type(value) is int
-                and not is_int_specialization_case(value, source)
-            )
+    if isinstance(arg, LazyVariableTracker) and not arg.is_realized():
+        # Find if the arg would be realized as SymNodeVariable later on. If yes,
+        # realize it and specialize. Else return the arg.
+
+        source = arg.original_source()
+        value = arg.original_value()
 
-            if not is_symnode_vt:
-                return arg
+        is_symnode_vt = is_torch_sym(value) or (
+            not config.specialize_int
+            and type(value) is int
+            and not is_int_specialization_case(value, source)
+        )
 
-        # Realize to get the underlying variable (handles both realized and unrealized)
-        arg = arg.realize()
+        if not is_symnode_vt:
+            return arg
 
     if isinstance(arg, SymNodeVariable):
         return ConstantVariable.create(arg.evaluate_expr())