fix: remove flanker from py3.10 flavors

After merging Tecnativa#577, we started getting build failures due to mailgun/flanker#261.

We should better remove that dependency, which is very outdated and not much maintained, and is optional for Odoo.

@moduon MT-3948

16.0.Dockerfile

@@ -123,7 +123,6 @@ RUN build_deps=" \
         click-odoo-contrib \
         debugpy \
         pydevd-odoo \
-        flanker[validator] \
         geoip2 \
         "git-aggregator<3.0.0" \
         inotify \
@@ -137,9 +136,6 @@ RUN build_deps=" \
         watchdog \
         wdb \
     && (python3 -m compileall -q /usr/local/lib/python3.10/ || true) \
-    # generate flanker cached tables during install when /usr/local/lib/ is still intended to be written to
-    # https://github.com/Tecnativa/doodba/issues/486
-    && python3 -c 'from flanker.addresslib import address' >/dev/null 2>&1 \
     && apt-get purge -yqq $build_deps \
     && apt-get autopurge -yqq \
     && rm -Rf /var/lib/apt/lists/* /tmp/*

17.0.Dockerfile

@@ -123,7 +123,6 @@ RUN build_deps=" \
         click-odoo-contrib \
         debugpy \
         pydevd-odoo \
-        flanker[validator] \
         geoip2 \
         "git-aggregator<3.0.0" \
         inotify \
@@ -137,9 +136,6 @@ RUN build_deps=" \
         watchdog \
         wdb \
     && (python3 -m compileall -q /usr/local/lib/python3.10/ || true) \
-    # generate flanker cached tables during install when /usr/local/lib/ is still intended to be written to
-    # https://github.com/Tecnativa/doodba/issues/486
-    && python3 -c 'from flanker.addresslib import address' >/dev/null 2>&1 \
     && apt-get purge -yqq $build_deps \
     && apt-get autopurge -yqq \
     && rm -Rf /var/lib/apt/lists/* /tmp/*