Use ppa:ondrej/php for phalcon4 on PHP7.4

src/extensions.ts

@@ -129,24 +129,6 @@ export async function addExtensionLinux(
           '\n' +
           (await utils.addLog('$tick', 'xdebug', 'Enabled', 'linux'));
         return;
-      // match 7.4phalcon4
-      case /^7.4phalcon4$/.test(version_extension):
-        script +=
-          '\nsh ' +
-          path.join(__dirname, '../src/scripts/ext/phalcon.sh') +
-          ' ' +
-          extension +
-          ' ' +
-          version +
-          pipe +
-          '\n' +
-          (await utils.addLog(
-            '$tick',
-            extension,
-            'Installed and enabled',
-            'linux'
-          ));
-        return;
       default:
         install_command =
           'sudo DEBIAN_FRONTEND=noninteractive apt-get install -y php' +