Bug 1290900

Description of problem:
the %python_provide macro uses the arch on it's obsoletes and provides. this results in failed koji builds http://koji.fedoraproject.org/koji/taskinfo?taskID=12156455

Version-Release number of selected component (if applicable):
python-devel-2.7.10-11.fc24.x86_64

How reproducible:
run rpmbuild --eval '%python_provide python2-%{name}'

Actual results:
Provides: python-%{name}(x86-64) = %{version}-%{release}
Provides: python-%{name} = %{version}-%{release}
Obsoletes: python-%{name}(x86-64) < %{version}-%{release}
Obsoletes: python-%{name} < %{version}-%{release}

Expected results:
Provides: python-%{name} = %{version}-%{release}
Obsoletes: python-%{name} < %{version}-%{release}