CI: Simplify Linux build

.github/workflows/scripts/common/update_base_translation.sh

@@ -1,12 +1,11 @@
 #!/bin/bash
 
 SCRIPTDIR=$(dirname "${BASH_SOURCE[0]}")
-source "$SCRIPTDIR/../linux/functions.sh"
 
 set -e
 
 # While we use custom Qt builds for our releases, the Qt6 package will be good enough
 # for just updating translations. Saves building it for this action alone.
-retry_command sudo apt-get -y install qt6-l10n-tools
+"$SCRIPTDIR/../../../../tools/retry.sh" sudo apt-get -y install qt6-l10n-tools
 
 PATH=/usr/lib/qt6/bin:$PATH "$SCRIPTDIR/../../../../pcsx2-qt/Translations/update_en_translation.sh"