Remove obsolete Group tag

References: https://fedoraproject.org/wiki/Changes/Remove_Group_Tag

python-zope-interface.spec

@@ -16,7 +16,6 @@ Name:		python-zope-interface
 Version:	4.5.0
 Release:	2%{?dist}
 Summary:	Zope 3 Interface Infrastructure
-Group:		Development/Libraries
 License:	ZPLv2.1
 URL:		https://pypi.io/project/zope.interface
 Source0:	https://pypi.io/packages/source/z/zope.interface/zope.interface-%{version}.tar.gz
@@ -29,7 +28,6 @@ This is a separate distribution of the zope.interface package used in Zope 3.
 
 %package -n python2-zope-interface
 Summary:	Zope 3 Interface Infrastructure
-Group:		Development/Libraries
 %{?python_provide:%python_provide python2-zope-interface}
 
 BuildRequires:  gcc
@@ -52,7 +50,6 @@ This is a separate distribution of the zope.interface package used in Zope 3.
 %if 0%{?with_python3}
 %package -n python3-zope-interface
 Summary:	Zope 3 Interface Infrastructure
-Group:		Development/Libraries
 %{?python_provide:%python_provide python3-zope-interface}
 
 BuildRequires:  python3-devel