fix groestlcoin_hash recipe (#1738)

* fix groestlcoin_hash recipe

Author: tshirtman

pythonforandroid/recipes/groestlcoin_hash/__init__.py

@@ -5,7 +5,6 @@ class GroestlcoinHashRecipe(CythonRecipe):
     version = '1.0.1'
     url = 'https://github.com/Groestlcoin/groestlcoin-hash-python/archive/{version}.tar.gz'
     depends = []
-    call_hostpython_via_targetpython = True
     cythonize = False