message: Remove outdated information on CUDA
diff: @@ -39,8 +39,6 @@ Build requirements
  - Libraries need to be installed as developer packages containing C/C++ header files
  - The OpenGL and GLEW dependency can optionally be relaxed by setting `VSNRAY_GRAPHICS_API=None` with CMake
  -- When targeting NVIDIA CUDA, make sure you have a C++11 compliant version (v7.0 or newer)
  -- Visionaray supports Fermi+ NVIDIA GPUs (e.g. >= GeForce 400 series or >= Quadro {4|5|6}000) (Visionaray does not support texturing on Fermi GPUs, bindless texture support is available with Kepler+ GPUs)
  In order to compile the viewer application and the [examples](/src/examples), the following _additional_ packages are needed or recommended:
  