don't clear out extensions directory entirely on new guacamole version

root/etc/cont-init.d/50-extensions.sh

@@ -10,11 +10,6 @@ for i in auth-duo auth-header auth-json auth-ldap auth-quickconnect auth-sso-cas
   rm -rf ${GUACAMOLE_HOME}/extensions/guacamole-${i}-${GUAC_VER}.jar
 done
 
-# if the guacamole version was bumped, delete the contents of the extensions directory - just on the first run 
-if [ "$(cat /config/.database-version)" != "$GUAC_VER" ]; then
-  rm -rf ${GUACAMOLE_HOME}/extensions/*
-fi
-
 # enable extensions
 for i in $(echo "$EXTENSIONS" | tr "," " "); do
   cp ${GUACAMOLE_HOME}/extensions-available/guacamole-${i}-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions