Drop extraneous today's date URI element

bin/czkrates

     local Mult
     local Date=now
     Uri=$CZKRATES_URL
-    Uri+="?date=$(date +%d.%m.%Y)"
     #shellcheck disable=SC2034
     while true; do case "$1" in
         -D|--date)    Date=$2;  shift 2 || usage ;;