verbose cuda building. removing setup.py since it does nothing

nerfactory/cuda/backend.py

@@ -43,6 +43,7 @@ _C = load(
     sources=sources,
     extra_cflags=extra_cflags,
     extra_cuda_cflags=extra_cuda_cflags,
+    verbose=True
 )
 
 __all__ = ["_C"]

setup.py

@@ -1,16 +0,0 @@
-import os
-
-from setuptools import setup
-
-ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
-
-ext_modules = []
-cmdclass = {}
-setup_requires = []
-
-if __name__ == "__main__":
-    setup(
-        ext_modules=ext_modules,
-        cmdclass=cmdclass,
-        setup_requires=setup_requires,
-    )