Revert to r414; this gets things wrong if there are sources with some Architecture: all binaries in unstable and some incompletely-built architecture-dependent ones.

britney.py

@@ -625,24 +625,16 @@ class Britney(object):
                 if source_version != target_version:
                     current_arch = value[ARCHITECTURE]
                     built = False
-                    any_arch_indep = False
-                    any_arch_dep = False
                     for b in target_sources[value[SOURCE]][BINARIES]:
                         binpkg, binarch = b.split('/')
                         if binarch == arch:
                             target_value = target_binaries[binpkg]
-                            target_arch = target_value[ARCHITECTURE]
+                            if current_arch in (
-                            if current_arch in (target_arch, "all"):
+                                target_value[ARCHITECTURE], "all"):
                                 built = True
                                 break
-                            if target_arch == "all":
-                                any_arch_indep = True
-                            else:
-                                any_arch_dep = True
                     if built:
                         continue
-                    if any_arch_indep and not any_arch_dep:
-                        continue
                 oodsrcs.add(value[SOURCE])
 
             if pkg in target_binaries: