Use locales-all instead of building all locales every build

Author: andrewnicols

root/tmp/setup/locales-gen.sh

@@ -11,12 +11,6 @@ apt-get update
 apt-get install -y --no-install-recommends apt-transport-https \
     $RUNTIME_LOCALES
 
-echo "Installing UTF-8 locales"
-
-# Generate the locales configuration for all possible UTF-8 locales.
-grep UTF-8 /usr/share/i18n/SUPPORTED > /etc/locale.gen
-locale-gen
-
 # Keep our image size down..
 apt-get autoremove -y
 apt-get clean