Remove get_ico page

It's no longer needed because ICO now uses Image->get_image_link()

.htaccess

@@ -53,6 +53,7 @@ AddType audio/ogg      oga ogg opus
 AddType image/jpeg     jpg jpeg
 AddType image/bmp      bmp
 AddType image/svg+xml  svg svgz
+AddType image/x-icon   ico ani cur
 AddType image/webp     webp
 AddType video/mp4      f4v f4p m4v mp4
 AddType video/ogg      ogv

ext/handle_ico/main.php

@@ -35,20 +35,6 @@ class IcoFileHandler extends Extension {
 		}
 	}
 
-	public function onPageRequest(PageRequestEvent $event) {
-		global $page;
-		if($event->page_matches("get_ico")) {
-			$id = int_escape($event->get_arg(0));
-			$image = Image::by_id($id);
-			$hash = $image->hash;
-			$ha = substr($hash, 0, 2);
-
-			$page->set_type("image/x-icon");
-			$page->set_mode("data");
-			$page->set_data(file_get_contents("images/$ha/$hash"));
-		}
-	}
-
 	/**
 	 * @param string $ext
 	 * @return bool

ext/handle_ico/test.php

@@ -4,7 +4,6 @@ class IcoHandlerTest extends ShimmiePHPUnitTestCase {
 		$this->log_in_as_user();
 		$image_id = $this->post_image("lib/static/favicon.ico", "shimmie favicon");
 		$this->get_page("post/view/$image_id"); // test for no crash
-		$this->get_page("get_ico/$image_id"); // test for no crash
 
 		# FIXME: test that the thumb works
 		# FIXME: test that it gets displayed properly