Windows: Remove dependency on pywin32-ctypes

The repo seems to be deleted, but we don’t really need this dependency anyway

win/_base.sh

@@ -99,7 +99,6 @@ function install_deps {
     PIP_REQUIREMENTS="\
 git+https://dev.gajim.org/gajim/python-nbxmpp.git
 git+https://dev.gajim.org/lovetox/pybonjour-python3.git
-git+https://github.com/enthought/pywin32-ctypes.git
 keyring
 python-gnupg
 python-axolotl

win/dev_env.sh

@@ -27,7 +27,6 @@ function main {
     PIP_REQUIREMENTS="\
 git+https://dev.gajim.org/gajim/python-nbxmpp.git
 git+https://dev.gajim.org/lovetox/pybonjour-python3.git
-git+https://github.com/enthought/pywin32-ctypes.git
 python-axolotl
 python-gnupg
 keyring