organize imports

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/adapters/items/ConversationItem.java

@@ -27,7 +27,6 @@ package com.nextcloud.talk.adapters.items;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.ColorStateList;
-import android.graphics.Color;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;