Remove unused typdef CUDARTCFuncMapPair

Closes #1378

Author: ptheywood

include/flamegpu/simulation/detail/CUDAAgent.h

@@ -49,10 +49,6 @@ class CUDAAgent : public AgentInterface {
      */
      typedef std::map<const std::string, std::unique_ptr<jitify2::KernelData>> CUDARTCFuncMap;
      typedef std::map<const std::string, std::shared_ptr<detail::curve::CurveRTCHost>> CUDARTCHeaderMap;
-    /**
-     * Element type of CUDARTCFuncMap
-     */
-    typedef std::pair<const std::string, std::unique_ptr<jitify2::KernelData>> CUDARTCFuncMapPair;
 #endif  // FLAMEGPU_USE_CUDA
     /**
      * Normal constructor