Remove PyTorch AOTI headers from CMakeLists (#15533)

Removed PyTorch AOTI headers from the aoti_cuda target.

### Summary
[PLEASE REMOVE] See [CONTRIBUTING.md's Pull
Requests](https://github.com/pytorch/executorch/blob/main/CONTRIBUTING.md#pull-requests)
for ExecuTorch PR guidelines.

[PLEASE REMOVE] If this PR closes an issue, please add a `Fixes
#<issue-id>` line.

[PLEASE REMOVE] If this PR introduces a fix or feature that should be
the upcoming release notes, please add a "Release notes: <area>" label.
For a list of available release notes labels, check out
[CONTRIBUTING.md's Pull
Requests](https://github.com/pytorch/executorch/blob/main/CONTRIBUTING.md#pull-requests).

### Test plan
[PLEASE REMOVE] How did you test this PR? Please write down any manual
commands you used and note down tests that you have written if
applicable.

Author: larryliu0820

backends/aoti/CMakeLists.txt

@@ -30,11 +30,8 @@ set(_aoti_common_sources common_shims.cpp)
 add_library(aoti_common STATIC ${_aoti_common_sources})
 target_include_directories(
   aoti_common
-  PUBLIC $<BUILD_INTERFACE:${EXECUTORCH_ROOT}>
-         $<INSTALL_INTERFACE:include>
+  PUBLIC $<BUILD_INTERFACE:${EXECUTORCH_ROOT}> $<INSTALL_INTERFACE:include>
          $<BUILD_INTERFACE:${EXECUTORCH_ROOT}/..>
-         # PyTorch AOTI headers from ExecuTorch's torch detection
-         ${TORCH_INCLUDE_DIRS}
 )
 target_compile_options(
   aoti_common

backends/cuda/CMakeLists.txt

@@ -80,11 +80,8 @@ set(_aoti_cuda_sources
 add_library(aoti_cuda STATIC ${_aoti_cuda_sources})
 target_include_directories(
   aoti_cuda
-  PUBLIC ${CUDAToolkit_INCLUDE_DIRS}
-         $<BUILD_INTERFACE:${EXECUTORCH_ROOT}>
+  PUBLIC ${CUDAToolkit_INCLUDE_DIRS} $<BUILD_INTERFACE:${EXECUTORCH_ROOT}>
          $<INSTALL_INTERFACE:include>
-         # PyTorch AOTI headers from ExecutorTorch's torch detection
-         ${TORCH_INCLUDE_DIRS}
 )
 target_compile_options(
   aoti_cuda PUBLIC $<$<CXX_COMPILER_ID:MSVC>:/EHsc /GR>