CUDA Samples for release 12.8.

CUDA 12.8

• Updated build system across the repository to CMake. Removed Visual Studio project files and Makefiles.
• Removed the following outdated samples:
  • 0_Introduction
    • c++11_cuda demonstrating CUDA and C++ 11 interoperability (reason: obsolete)
    • concurrentKernels demonstrating the ability to run multiple kernels simultaneously (reason: obsolete)
    • cppIntegration demonstrating calling between .cu and .cpp files (reason: obsolete)
    • cppOverload demonstrating C++ function overloading (reason: obsolete)
    • simpleSeparateCompilation demonstrating NVCC compilation to a static library (reason: trivial)
    • simpleTemplates_nvrtc demonstrating NVRTC usage for simpleTemplates sample (reason: redundant)
    • simpleVoteIntrinsics_nvrtc demonstrating NVRTC usage for simpleVoteIntrinsics sample (reason: redundant)
  • 2_Concepts_and_Techniques