Remove numba-cuda test_linker.py patch (fixed upstream)

The indentation bug in test_linker.py was fixed in the latest
numba-cuda release, so the workaround patch is no longer needed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: leofang

.github/workflows/test-wheel-linux.yml

@@ -368,10 +368,6 @@ jobs:
           pytest -rxXs -v --durations=0 tests/test_utils.py tests/example_tests/
           popd
 
-      - name: Patch numba-cuda (upstream bug workarounds)
-        if: ${{ inputs.test-mode == 'nightly-numba-cuda' }}
-        run: python ci/tools/patch-numba-cuda
-
       - name: Run numba-cuda tests
         if: ${{ inputs.test-mode == 'nightly-numba-cuda' }}
         run: python -m numba.runtests numba.cuda.tests

.github/workflows/test-wheel-windows.yml

@@ -356,11 +356,6 @@ jobs:
           pytest -rxXs -v --durations=0 tests/test_utils.py tests/example_tests/
           popd
 
-      - name: Patch numba-cuda (upstream bug workarounds)
-        if: ${{ inputs.test-mode == 'nightly-numba-cuda' }}
-        shell: bash --noprofile --norc -xeuo pipefail {0}
-        run: python ci/tools/patch-numba-cuda
-
       - name: Run numba-cuda tests
         if: ${{ inputs.test-mode == 'nightly-numba-cuda' }}
         shell: bash --noprofile --norc -xeuo pipefail {0}