youtube_menu_hide.user.js

// ==UserScript==
// @name        youtube_menu_fliter
// @namespace   Violentmonkey Scripts
// @match       https://www.youtube.com/*
// @grant       none
// @version     1.0
// @author      -
// @run-at      document-end
// @description 2020. 3. 6. 오후 4:23:04
// ==/UserScript==

const TIMEOUT = 1;
const blockMenus = ['Trending', 'Your videos'];

setTimeout(() => {

  let contentContainer = document.querySelector('#contentContainer');
  let guideButton = document.querySelector('yt-icon-button#guide-button');
  
  guideButton.addEventListener('click', () => remover());
  
  let getDoms = () => {
      if (contentContainer.attributes.opened) {
        let wrap = document.querySelector('#sections ytd-guide-section-renderer #items');
        return wrap.querySelectorAll('ytd-guide-entry-renderer');
      }
      let wrap = document.querySelector('ytd-mini-guide-renderer #items');
      return wrap.querySelectorAll('ytd-mini-guide-entry-renderer');
  }
  
  
  let remover = () => {
    let domList = getDoms();
    
    let domListSize = domList.length,
        blockMenusSize = blockMenus.length;
    for (let i=0; i<domListSize; i++){
      for(let j=0; j<blockMenusSize; j++){
        if (domList[i].textContent.includes(blockMenus[j])){
          domList[i].style.display = 'none';
        }
      }
    }
  };//remover
  remover();
  
}, TIMEOUT * 1000);