*) Remove packaging for -gpu packages
*) Remove build profile restrictions, except for the build dependency
itself
*) Remove script to generate dh fragments for -gpu packages
*) Convert --cudecs switch to a path argument pointing to the .so
*) Don't link against libcudecs during build
*) Only include the single types.h header needed for usage as a plugin
*) Resolve all symbols during startup after loading the .so
Change-Id: Ide99eec2156d5d3be8c40594391cb1603add4b16