shader: remove second IR layer

src/graphics/shader/recompiler/frontend/cfg/ShaderCFG.cpp

@@ -1342,7 +1342,7 @@ bool IsolateSemanticLoopHeaders(Graph& graph, std::string* error) {
 		// SPIR-V requires OpLoopMerge and its branch to remain in the loop header's
 		// physical block. Keep that header as a dedicated control node, exactly like
 		// the separate Loop node in shadPS4's structured AST. Guest instructions live
-		// in the body so later lowering may introduce bounds/EXEC control flow without
+		// in the body so later translation may introduce bounds/EXEC control flow without
 		// displacing OpLoopMerge into a helper-created block.
 		if (!IsolateSemanticLoopHeader(graph, loop->header)) {
 			SetFailure(graph, FailureKind::StructuredControlFlow, loop->header,