Revert "[flang][cuda] Preserve fir.rebox captured by cuf.kernel in SimplifyArrayCoorOp" (#193855)

Reverts #193837

Author: wangzpgi

flang/lib/Optimizer/Dialect/CMakeLists.txt

@@ -20,7 +20,6 @@ add_flang_library(FIRDialect
   FIROpsIncGen
   FIRSafeTempArrayCopyAttrInterfaceIncGen
   CUFAttrsIncGen
-  CUFOpsIncGen
   intrinsics_gen
 
   LINK_LIBS

flang/lib/Optimizer/Dialect/FIROps.cpp

@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "flang/Optimizer/Dialect/FIROps.h"
-#include "flang/Optimizer/Dialect/CUF/CUFOps.h"
 #include "flang/Optimizer/Dialect/FIRAttr.h"
 #include "flang/Optimizer/Dialect/FIRDialect.h"
 #include "flang/Optimizer/Dialect/FIROpsSupport.h"
@@ -588,15 +587,6 @@ struct SimplifyArrayCoorOp : public mlir::OpRewritePattern<fir::ArrayCoorOp> {
             return mlir::isa<ACC_DATA_ENTRY_OPS>(u);
           }))
         return mlir::failure();
-      // Don't pull in rebox defined outside a cuf.kernel when the array_coor
-      // is inside that kernel. CUF codegen converts such a rebox into a
-      // managed-memory descriptor (via _FortranACUFAllocDescriptor) that the
-      // kernel needs to receive as its argument; folding the rebox away would
-      // leave the kernel capturing the host-side descriptor directly, causing
-      // illegal device dereferences at runtime.
-      if (auto kernel = op->getParentOfType<cuf::KernelOp>())
-        if (reboxOp->getParentOfType<cuf::KernelOp>() != kernel)
-          return mlir::failure();
       boxedMemref = reboxOp.getBox();
       boxedShape = reboxOp.getShape();
       // Avoid pulling in rebox that performs reshaping.