Remove the arched provide from %python_provide macro

The way it fetched the information abut archfulness was not reliable
and will stop working entirely.

See https://bugzilla.redhat.com/show_bug.cgi?id=1705656

macros.python

@@ -49,10 +49,6 @@
   package = rpm.expand("%{?1}")
   vr = rpm.expand("%{?epoch:%{epoch}:}%{version}-%{release}")
   if (string.starts(package, "python2-")) then
-    if (rpm.expand("%{?buildarch}") ~= "noarch") then
-      str = "Provides: python-" .. string.sub(package,9,string.len(package)) .. "%{?_isa} = " .. vr
-      print(rpm.expand(str))
-    end
     print("\\nProvides: python-")
     print(string.sub(package,9,string.len(package)))
     print(" = ")

python-rpm-macros.spec

@@ -77,6 +77,7 @@ install -m 644 %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} \
 - Define %%python_sitelib, %%python_sitearch, %%python_version, %%python_version_nodots,
   in rpm 4.15 those are no longer defined, the meaning of python is derived from %%__python.
 - Usage of %%__python or the above-mentioned macros will error unless user defined.
+- The %%python_provide macro no longer gives the arched provide for arched packages (#1705656)
 
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3-42
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild