Move the nvcc and nvcrt compilations to the "gpu" environment (#4314)

* Delegate to godbolt.org/gpu

etc/config/cuda.amazon.properties

@@ -1,4 +1,7 @@
-compilers=&nvcc:&cuclang:&hipclang:&nvrtc
+compilers=godbolt.org@443/gpu:&cuclang:&hipclang
+# Disabled: nvcc nvrtc
+# The disabled groups are actually used in the cuda.gpu.properties (along with libs etc). One day these might exist on
+# both servers, so I want to keep them in the same place.
 defaultCompiler=nvcc117
 supportsBinary=true
 supportsExecute=false
@@ -162,16 +165,13 @@ compiler.nvcc117.exe=/opt/compiler-explorer/cuda/11.7.0/bin/nvcc
 compiler.nvcc117.options=--compiler-bindir /opt/compiler-explorer/gcc-10.2.0/bin
 compiler.nvcc117.demangler=/opt/compiler-explorer/gcc-10.2.0/bin/c++filt
 compiler.nvcc117.objdumper=/opt/compiler-explorer/gcc-10.2.0/bin/objdump
-
-
 group.cuclang.compilers=cuclang700:cuclang800:cuclang900:cuclang1000:cuclang1001:cuclang1100:cltrunk
 group.cuclang.isSemVer=true
 group.cuclang.baseName=clang
 group.cuclang.compilerType=clang-cuda
 # The most recent nvdisasm works for older CUDA versions
 group.cuclang.nvdisasm=/opt/compiler-explorer/cuda/11.3.1/bin/nvdisasm
 group.cuclang.objdumper=/opt/compiler-explorer/cuda/11.3.1/bin/nvdisasm
-
 # Clang is versioned independently of CUDA. We pick the most recent CUDA version
 # supported by clang and the most recent GPU variant supported by that
 # combination of clang and CUDA versions. The default of sm_20 and sm_35 is too
@@ -206,7 +206,6 @@ compiler.cltrunk.name=trunk sm_86 CUDA-11.3
 compiler.cltrunk.exe=/opt/compiler-explorer/clang-trunk/bin/clang++
 compiler.cltrunk.demangler=/opt/compiler-explorer/gcc-snapshot/bin/c++filt
 compiler.cltrunk.options=--gcc-toolchain=/opt/compiler-explorer/gcc-snapshot --cuda-path=/opt/compiler-explorer/cuda/11.3.1 --cuda-gpu-arch=sm_86 --cuda-device-only -Wno-unknown-cuda-version
-
 group.hipclang.compilers=hiptrunk:hipclang-rocm-40502:hipclang-rocm-50002:hipclang-rocm-50103:hipclang-rocm-50203:hipclang-rocm-50302
 group.hipclang.isSemVer=true
 group.hipclang.baseName=clang
@@ -302,9 +301,7 @@ compiler.nvrtc114u1.semver=11.4.1
 compiler.nvrtc114u1.exe=/opt/compiler-explorer/cuda/11.4.1/bin/nvrtc_cli
 compiler.nvrtc115.semver=11.5.0
 compiler.nvrtc115.exe=/opt/compiler-explorer/cuda/11.5.0/bin/nvrtc_cli
-
 libs=cueigen:thrustcub:cucub:cudacxx:nvtx:nsimd:cuco:hip-amd
-
 libs.cueigen.name=Eigen
 libs.cueigen.versions=trunk:340:339:337:334
 libs.cueigen.url=http://eigen.tuxfamily.org/index.php?title=Main_Page
@@ -318,7 +315,6 @@ libs.cueigen.versions.337.version=3.3.7
 libs.cueigen.versions.337.path=/opt/compiler-explorer/libs/eigen/v3.3.7
 libs.cueigen.versions.334.version=3.3.4
 libs.cueigen.versions.334.path=/opt/compiler-explorer/libs/eigen/v3.3.4
-
 libs.thrustcub.name=Thrust+CUB
 libs.thrustcub.description=CUDA collective and parallel algorithms
 libs.thrustcub.versions=trunk:109090:109100:109101:110000:111000:112000:112100:113000:113100:114000:115000:116000:117000
@@ -351,20 +347,17 @@ libs.thrustcub.versions.117000.version=1.17.0
 libs.thrustcub.versions.117000.path=/opt/compiler-explorer/libs/thrustcub/1.17.0:/opt/compiler-explorer/libs/thrustcub/1.17.0/dependencies/cub
 libs.thrustcub.versions.trunk.version=trunk
 libs.thrustcub.versions.trunk.path=/opt/compiler-explorer/libs/thrustcub/trunk:/opt/compiler-explorer/libs/thrustcub/trunk/dependencies/cub
-
 libs.cucub.name=CUB (Legacy)
 libs.cucub.description=Newer versions are available under Thrust+CUB.
 libs.cucub.versions=180
 libs.cucub.url=http://nvlabs.github.io/cub/index.html
 libs.cucub.versions.180.version=1.8.0
 libs.cucub.versions.180.path=/opt/compiler-explorer/libs/cub/1.8.0
-
 libs.cudacxx.name=libcudacxx
 libs.cudacxx.versions=trunk
 libs.cudacxx.url=https://github.com/nvidia/libcudacxx
 libs.cudacxx.versions.trunk.version=trunk
 libs.cudacxx.versions.trunk.path=/opt/compiler-explorer/libs/libcudacxx/trunk/include
-
 libs.nvtx.name=NVIDIA Tools Extension
 libs.nvtx.description=APIs for code annotation
 libs.nvtx.versions=dev:301
@@ -373,22 +366,19 @@ libs.nvtx.versions.dev.version=dev
 libs.nvtx.versions.dev.path=/opt/compiler-explorer/libs/nvtx/dev/cpp/include:/opt/compiler-explorer/libs/nvtx/dev/c/include
 libs.nvtx.versions.301.version=3.0.1
 libs.nvtx.versions.301.path=/opt/compiler-explorer/libs/nvtx/v3.0.1/cpp:/opt/compiler-explorer/libs/nvtx/v3.0.1/c/include
-
 libs.cuco.name=cuCollections
 libs.cuco.description=Concurrent GPU Accelerated Data Structures
 libs.cuco.versions=dev
 libs.cuco.url=https://github.com/NVIDIA/cuCollections
 libs.cuco.versions.dev.version=dev
 libs.cuco.versions.dev.path=/opt/compiler-explorer/libs/cucollections/dev/include
-
 libs.nsimd.name=NSIMD
 libs.nsimd.versions=22:301
 libs.nsimd.url=https://github.com/agenium-scale/nsimd/
 libs.nsimd.versions.22.version=2.2
 libs.nsimd.versions.22.path=/opt/compiler-explorer/libs/nsimd/v2.2/cuda/include
 libs.nsimd.versions.301.version=3.0.1
 libs.nsimd.versions.301.path=/opt/compiler-explorer/libs/nsimd/v3.0.1/cuda/include
-
 libs.hip-amd.name=HIP (AMD Platform)
 libs.hip-amd.versions=50203:50103:50002:40502
 libs.hip-amd.url=https://github.com/ROCm-Developer-Tools/hipamd