namespace-zope, twisted-core, zope-interface: upgraded packages to upstream

Deleted net-zope/zope-interface
Deleted net-zope/zope-fixers
Upgraded dev-python/namespace-zope to version 1 on amd64, arm, arm64, x86
Upgraded dev-python/twisted-core to version 13.2.0 on amd64, arm, arm64, x86
Upgraded dev-python/zope-interface to version 4.4.3 on amd64, arm, arm64, x86
Upgraded dev-python/twisted-web to version 13.2.0 on amd64

Necessary to remove the last things depending on the deprecated
net-zope/zope-interface package. zope-fixers no longer exists upstream
and no packages in our tree depend on it.

BUG=chromium:934414
TEST=preCQ

Change-Id: I9b0ee9193d077e35fb2244457be9c9b3d2bbee3e
Reviewed-on: https://chromium-review.googlesource.com/1481103
Commit-Ready: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
28 files changed