Revert "Remove unnecessary linking of CUDA Runtime library"

[fpetrini15]

Reverts #798

This change was causing the following error during build:

#22 229.6 /usr/bin/ld: CMakeFiles/simple_http_cudashm_client.dir/simple_http_cudashm_client.cc.o: in function `CreateCUDAIPCHandle(cudaIpcMemHandle_st*, void*, int)':
#22 229.6 simple_http_cudashm_client.cc:(.text+0x592): undefined reference to `cudaSetDevice'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text+0x5a1): undefined reference to `cudaIpcGetMemHandle'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text+0x5f9): undefined reference to `cudaGetErrorName'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text+0x622): undefined reference to `cudaGetErrorString'
#22 229.6 /usr/bin/ld: CMakeFiles/simple_http_cudashm_client.dir/simple_http_cudashm_client.cc.o: in function `main':
#22 229.6 simple_http_cudashm_client.cc:(.text.startup+0xd26): undefined reference to `cudaMalloc'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0xd3f): undefined reference to `cudaMemcpy'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x1176): undefined reference to `cudaMalloc'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x17ec): undefined reference to `cudaMemcpy'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x1805): undefined reference to `cudaMemcpy'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x1eab): undefined reference to `cudaFree'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x1ec2): undefined reference to `cudaFree'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x23d6): undefined reference to `cudaGetErrorName'
#22 229.6 /usr/bin/ld: simple_http_cudashm_client.cc:(.text.startup+0x2400): undefined reference to `cudaGetErrorString'