Cleanup the namespaces (#8132)

Content.Shared/Preferences/GameSettings.cs

@@ -1,4 +1,3 @@
-using System;
 using Robust.Shared.Serialization;
 
 namespace Content.Shared.Preferences

Content.Shared/Preferences/HumanoidCharacterProfile.cs

@@ -1,18 +1,13 @@
-using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
 using Content.Shared.CCVar;
 using Content.Shared.CharacterAppearance;
-using Content.Shared.Dataset;
 using Content.Shared.GameTicking;
 using Content.Shared.Random.Helpers;
 using Content.Shared.Roles;
 using Content.Shared.Species;
 using Robust.Shared.Configuration;
 using Robust.Shared.Enums;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
 using Robust.Shared.Serialization;

Content.Shared/Preferences/MsgPreferencesAndSettings.cs

@@ -1,6 +1,5 @@
 using System.IO;
 using Lidgren.Network;
-using Robust.Shared.IoC;
 using Robust.Shared.Network;
 using Robust.Shared.Serialization;
 

Content.Shared/Preferences/MsgUpdateCharacter.cs

@@ -1,6 +1,5 @@
 using System.IO;
 using Lidgren.Network;
-using Robust.Shared.IoC;
 using Robust.Shared.Network;
 using Robust.Shared.Serialization;
 

Content.Shared/Preferences/PlayerPreferences.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using Robust.Shared.Maths;
 using Robust.Shared.Serialization;
 using Robust.Shared.Utility;