Revert "Love: Add column and row card"

This reverts commit e0ccc1999ad3c83901f5e4d5b54ed0188debba39.

src/panels/lovelace/cards/hui-column-card.js

@@ -1,48 +0,0 @@
-import createCardElement from '../common/create-card-element.js';
-import createErrorConfig from '../common/create-error-card-config.js';
-
-class HuiColumnCard extends HTMLElement {
-  constructor() {
-    super();
-    this._elements = [];
-  }
-
-  getCardSize() {
-    return 7;
-  }
-
-  set config(config) {
-    this._elements = [];
-    const root = this;
-
-    while (root.lastChild) {
-      root.removeChild(root.lastChild);
-    }
-
-    if (config && config.cards && Array.isArray(config.cards)) {
-      const elements = [];
-      config.cards.forEach(card => {
-        const element = createCardElement(card);
-        element.style.setProperty('margin', '4px');
-        elements.push(element);
-        root.appendChild(element);
-      });
-      elements[0].style.marginTop = '0';
-      elements[(elements.length - 1)].style.marginBottom = '0';
-      this._elements = elements;
-
-    } else {
-      const error = 'Card config incorrect.';
-      const element = createCardElement(createErrorConfig(error, config));
-      root.appendChild(element);
-    }
-  }
-
-  set hass(hass) {
-    this._elements.forEach(element => {
-      element.hass = hass;
-    });
-  }
-}
-
-customElements.define('hui-column-card', HuiColumnCard);

src/panels/lovelace/common/create-card-element.js

@@ -1,7 +1,6 @@
 import fireEvent from '../../../common/dom/fire_event.js';
 
 import '../cards/hui-camera-preview-card.js';
-import '../cards/hui-column-card.js';
 import '../cards/hui-entities-card.js';
 import '../cards/hui-entity-filter-card.js';
 import '../cards/hui-glance-card';
@@ -20,7 +19,6 @@ import createErrorCardConfig from './create-error-card-config.js';
 
 const CARD_TYPES = [
   'camera-preview',
-  'column',
   'entities',
   'entity-filter',
   'entity-picture',