Suppress injection test warnings

src/main/java/fr/xephi/authme/initialization/FieldInjection.java

@@ -114,6 +114,7 @@ public class FieldInjection<T> implements Injection<T> {
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     private static <T> Constructor<T> getDefaultConstructor(Class<T> clazz) {
         try {
             Constructor<?> defaultConstructor = clazz.getDeclaredConstructor();

src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java

@@ -1,6 +1,5 @@
 package fr.xephi.authme.process.logout;
 
-import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
@@ -17,9 +16,6 @@ import javax.inject.Inject;
 
 public class AsynchronousLogout implements AsynchronousProcess {
 
-    @Inject
-    private AuthMe plugin;
-
     @Inject
     private DataSource database;