Delete duplicate code

uprgade-keycloak.sh

@@ -440,20 +440,6 @@ while [[ "X${DB_TYPE}" = "X" ]]; do
    fi
 done
 
-DB_NAME=
-echo ""
-echo -e "\033[32m--\033[m"
-echo ""
-echo "Specify the database name for the Keycloak database."
-echo ""
-while [[ "X${DB_NAME}" = "X" ]]; do
-   echononl "Database name [${DEFAULT_DB_NAME}]: "
-   read DB_NAME
-   if [[ "X${DB_NAME}" = "X" ]]; then
-      DB_NAME="${DEFAULT_DB_NAME}"
-   fi
-done
-
 
 DB_NAME=
 echo ""