Don't version the cuda install folder

Related ibmruntimes/temurin-build#94

Signed-off-by: Adam Brousseau <adam.brousseau88@gmail.com>

pipelines/build/dockerFiles/cuda.dockerfile

@@ -5,13 +5,10 @@ ARG cuda_distro=ubuntu20.04
 FROM nvidia/cuda:${cuda_ver}-devel-${cuda_distro} as cuda
 FROM $image 
 
-# This line should be present here to let access to cuda_ver ARG in the following lines
-ARG cuda_ver
-
 # Install cuda headers https://github.com/eclipse/openj9/blob/master/buildenv/docker/mkdocker.sh#L586-L593
-RUN mkdir -p /usr/local/cuda-$cuda_ver/nvvm
+RUN mkdir -p /usr/local/cuda/nvvm
 # TEMP: Copy the header files from the local compile box to the container.
-COPY --from=cuda /usr/local/cuda/include         /usr/local/cuda-${cuda_ver}/include
-COPY --from=cuda /usr/local/cuda/nvvm/include    /usr/local/cuda-${cuda_ver}/nvvm/include
+COPY --from=cuda /usr/local/cuda/include         /usr/local/cuda/include
+COPY --from=cuda /usr/local/cuda/nvvm/include    /usr/local/cuda/nvvm/include
 
-ENV CUDA_HOME="/usr/local/cuda-${cuda_ver}"
+ENV CUDA_HOME="/usr/local/cuda"