feat(example): make it look better

Signed-off-by: Amogh Lele <amolele@gmail.com>

example/linux/flutter/generated_plugin_registrant.cc

@@ -6,10 +6,6 @@
 
 #include "generated_plugin_registrant.h"
 
-#include <readability/readability_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
-  g_autoptr(FlPluginRegistrar) readability_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "ReadabilityPlugin");
-  readability_plugin_register_with_registrar(readability_registrar);
 }

example/linux/flutter/generated_plugins.cmake

@@ -3,7 +3,6 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
-  readability
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST