Get rid of setuptools_scm_git_archive

Change-Id: Ie1bc6230e9871cd2cb2c133997da0954023ff8ac

python/.git_archival.txt

@@ -1 +0,0 @@
-ref-names: $Format:%D$

python/.gitattributes

@@ -1 +0,0 @@
-.git_archival.txt  export-subst

python/setup.py

@@ -270,7 +270,7 @@ setup(
         'build_ext': build_ext
     },
     use_scm_version = {"root": "..", "relative_to": __file__},
-    setup_requires=['setuptools_scm', 'setuptools_scm_git_archive'],
+    setup_requires=['setuptools_scm'],
     install_requires=['cython >= 0.23', 'numpy >= 1.9', 'six >= 1.0.0'],
     description=DESC,
     license='Apache License, Version 2.0',