[llvm] [NFC][TableGen] Adopt scaled indent in PredicateExpander (PR #109801)

[Rahul Joshi via llvm-commits]

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@@ -1610,9 +1610,9 @@ static void emitPredicates(const CodeGenSchedTransition &T,
     }
 
     SS << ")\n"; // end of if-stmt
-    PE.decreaseIndentLevel();
-    SS.indent(PE.getIndentLevel() * 2);
-    PE.decreaseIndentLevel();
+    PE.getIndent()--;
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jurahul wrote:

Done. Yeah, no reason to use postfix form.

https://github.com/llvm/llvm-project/pull/109801