How to really hide filters with 0

Go to Shop Builder > Settings

in Extra CSS enter

body .dzs-select-wrapper.opener-list .opener-list-wrap > .opener-list > .bigoption{
padding:0;
}
body .dzs-select-wrapper.opener-list .opener-list-wrap > .opener-list > .bigoption > label{
padding:10px 14px;
}
body .dzs-select-wrapper.opener-list .opener-list-wrap > .opener-list > .bigoption > label[data-count="0"]{
padding:0px;
font-size:0;
display:none;
}