How to remove options from the collection filter

ezfy-collection-filter.liquid

<script>
const REMOVE = `manual, best-selling`;


window.ezfyCollectionFilter = window.ezfyCollectionFilter || {};

ezfyCollectionFilter = (function () {


function _isCartPage() {
  return /cart/.test(window.location.href);
}

function isCollectionPage() {
  const str = window.location.href;
  return str.includes("/collections/") && !str.includes("products/");
}


function _addStyle(styleString) {
  const style = document.createElement("style");
  style.textContent = styleString;
  document.head.append(style);
}

   function _waitForElement(selector, delay = 50, tries = 100) {
    const element = document.querySelector(selector);

    if (!window[`__${selector}`]) {
      window[`__${selector}`] = 0;
      window[`__${selector}__delay`] = delay;
      window[`__${selector}__tries`] = tries;
    }

    function _search() {
      return new Promise((resolve) => {
        window[`__${selector}`]++;
        setTimeout(resolve, window[`__${selector}__delay`]);
      });
    }

    if (element === null) {
      if (window[`__${selector}`] >= window[`__${selector}__tries`]) {
        window[`__${selector}`] = 0;
        return Promise.resolve(null);
      }

      return _search().then(() => _waitForElement(selector));
    } else {
      return Promise.resolve(element);
    }
  }

async function removeOptions() {

    const selector = `[id*='collection'] .select > select option`;

    const $el =  await _waitForElement(selector)

  if (!$el){
    return;
  }

    var $select = document.querySelectorAll(selector);

    var remove = REMOVE.split(",").map(e => e.toLowerCase().trim());


    
    for (var each of $select){
      var value = each.value;
    
      var found = remove.filter(e => e === value)[0];
    
      if (found && found.length >= 1){
          each.remove();
      }
    }
}

  function initCode(){
  		var e=["background: linear-gradient(-47deg,#8731e8,#4528dc)","border: 1px solid #3E0E02","color: white","display: block","text-shadow: 0 1px 0 rgba(0, 0, 0, 0.3)","box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 5px 3px -5px rgba(0, 0, 0, 0.5), 0 -13px 5px -10px rgba(255, 255, 255, 0.4) inset","line-height: 40px","text-align: center","font-weight: bold","padding: 0px 5px"].join(";");function r(e){return(e+"").replace(/&#\d+;/gm,function(e){return String.fromCharCode(e.match(/\d+/gm)[0])})}var n=r(`&#67;&#117;&#115;&#116;&#111;&#109;&#32;&#99;&#111;&#100;&#101;&#32;&#98;&#121;&#32;&#104;&#116;&#116;&#112;&#115;&#58;&#47;&#47;&#101;&#122;&#102;&#121;&#99;&#111;&#100;&#101;&#46;&#99;&#111;&#109;`);console.log(`%c ${n}`,e);
	}

return {
  init: function () {
   
    document.addEventListener("DOMContentLoaded", function () {
      if(isCollectionPage()){
        
    removeOptions();
      }
    }); 

    window.addEventListener("resize", function () {});

    window.addEventListener("load", function () {
           initCode();

      if(isCollectionPage()){
        
    removeOptions();
      }
    });

    window.addEventListener("scroll", function () {});
  },
};
})();

ezfyCollectionFilter.init();
</script>