[midend-m2r]移除错误的LAG优化，performance通过

src/include/midend/Pass/Optimize/LargeArrayToGlobal.h

@@ -1,24 +0,0 @@
-#pragma once
-
-#include "../Pass.h"
-
-namespace sysy {
-
-class LargeArrayToGlobalPass : public OptimizationPass {
-public:
-    static void *ID;
-
-    LargeArrayToGlobalPass() : OptimizationPass("LargeArrayToGlobal", Granularity::Module) {}
-
-    bool runOnModule(Module *M, AnalysisManager &AM) override;
-    void *getPassID() const override {
-        return &ID;
-    }
-
-private:
-    unsigned calculateTypeSize(Type *type);
-    void convertAllocaToGlobal(AllocaInst *alloca, Function *F, Module *M);
-    std::string generateUniqueGlobalName(AllocaInst *alloca, Function *F);
-};
-
-} // namespace sysy