Revert "Chore: Wrap custom configuration in development environment check" (#70831)

e2e/custom-plugins/frontend-sandbox-panel-test/module.js

@@ -1,41 +0,0 @@
-define(['react', '@grafana/data'], function (React, grafanaData) {
-  const HelloWorld = () => {
-    const createIframe = () => {
-      // direct iframe creation
-      const iframe = document.createElement('iframe');
-      iframe.src = 'about:blank';
-      iframe.id = 'createElementIframe';
-      iframe.style.width = '10%';
-      iframe.style.height = '10%';
-      iframe.style.border = 'none';
-      document.body.appendChild(iframe);
-
-      // via innerHTML
-      const div = document.createElement('div');
-      document.body.appendChild(div);
-      div.innerHTML =
-        '<iframe src="about:blank" id="innerHTMLIframe" style="width: 10%; height: 10%; border: none;"></iframe>';
-
-      const adjacentIframe = `<iframe src="about:blank" id="adjacentIframe" width="10%" height="10%" frameBorder="0"></iframe>`;
-      document.querySelector('body').insertAdjacentHTML('beforeend', adjacentIframe);
-    };
-    const handleClick2 = () => {
-      console.log('hello world 2');
-    };
-    const handleClick3 = () => {
-      console.log('hello world 3');
-    };
-
-    return React.createElement(
-      'div',
-      { className: 'frontend-sandbox-test' },
-      React.createElement('button', { onClick: createIframe, 'data-testid': 'panel-button-1' }, 'Craete iframes'),
-      React.createElement('button', { onClick: handleClick2, 'data-testid': 'panel-button-2' }, 'Button 2'),
-      React.createElement('button', { onClick: handleClick3, 'data-testid': 'panel-button-3' }, 'Button 3')
-    );
-  };
-
-  const plugin = new grafanaData.PanelPlugin(HelloWorld);
-
-  return { plugin };
-});

e2e/custom-plugins/frontend-sandbox-panel-test/plugin.json

@@ -1,25 +0,0 @@
-{
-  "$schema": "https://raw.githubusercontent.com/grafana/grafana/master/docs/sources/developers/plugins/plugin.schema.json",
-  "type": "panel",
-  "name": "Sandbox test plugin",
-  "id": "sandbox-test-panel",
-  "info": {
-    "keywords": ["panel"],
-    "description": "",
-    "author": {
-      "name": "Grafana"
-    },
-    "logos": {
-      "small": "img/logo.svg",
-      "large": "img/logo.svg"
-    },
-    "links": [],
-    "screenshots": [],
-    "version": "1.0.0",
-    "updated": "2023-06-27"
-  },
-  "dependencies": {
-    "grafanaDependency": ">=10.0",
-    "plugins": []
-  }
-}