[SYCL][CUDA][NFC] Drop idle sycldevice from the target triple. (#4567)

Author: bader

clang/test/Driver/cuda-nvptx-target.cpp

@@ -1,7 +1,7 @@
-// RUN: %clang -### -fsycl -fsycl-targets=nvptx64-nvidia-cuda-sycldevice -nocudalib -target x86_64-unknown-windows-msvc %s 2> %t.win.out
+// RUN: %clang -### -fsycl -fsycl-targets=nvptx64-nvidia-cuda -nocudalib -target x86_64-unknown-windows-msvc %s 2> %t.win.out
 // RUN: FileCheck %s --check-prefixes=CHECK-WINDOWS --input-file %t.win.out
 // CHECK-WINDOWS: remangled-l32-signed_char.libspirv-nvptx64--nvidiacl.bc
 //
-// RUN: %clang -### -fsycl -fsycl-targets=nvptx64-nvidia-cuda-sycldevice -nocudalib -target x86_64-unknown-linux-gnu %s 2> %t.lnx.out
+// RUN: %clang -### -fsycl -fsycl-targets=nvptx64-nvidia-cuda -nocudalib -target x86_64-unknown-linux-gnu %s 2> %t.lnx.out
 // RUN: FileCheck %s --check-prefixes=CHECK-LINUX --input-file %t.lnx.out
 // CHECK-LINUX: remangled-l64-signed_char.libspirv-nvptx64--nvidiacl.bc