Remove called to deprecated screen_icon() for 2.4.2 branch

See #224, #234, #244.

class-tgm-plugin-activation.php

@@ -3,7 +3,7 @@
  * Plugin installation and activation for WordPress themes.
  *
  * @package   TGM-Plugin-Activation
- * @version   2.4.1
+ * @version   2.4.2-dev
  * @author    Thomas Griffin <thomasgriffinmedia.com>
  * @author    Gary Jones <gamajo.com>
  * @copyright Copyright (c) 2012, Thomas Griffin
@@ -376,10 +376,6 @@ public function install_plugins_page() {
 
             ?>
             <div class="tgmpa wrap">
-
-                <?php if ( version_compare( $this->wp_version, '3.8', '<' ) ) {
-                    screen_icon( apply_filters( 'tgmpa_default_screen_icon', 'themes' ) );
-                } ?>
                 <h2><?php echo esc_html( get_admin_page_title() ); ?></h2>
                 <?php $plugin_table->prepare_items(); ?>
 
@@ -1587,9 +1583,6 @@ public function process_bulk_actions() {
 
                 // Wrap the install process with the appropriate HTML.
                 echo '<div class="tgmpa wrap">';
-                    if ( version_compare( TGM_Plugin_Activation::$instance->wp_version, '3.8', '<' ) ) {
-                        screen_icon( apply_filters( 'tgmpa_default_screen_icon', 'themes' ) );
-                    }
                     echo '<h2>' . esc_html( get_admin_page_title() ) . '</h2>';
                     // Process the bulk installation submissions.
                     $installer->bulk_install( $sources );