Fix namespaces and optimize imports (#1651)

* Fix namespaces and optimize imports

* Cleanup fixes

* Merge conflict fixes

* Merge conflict fixes

* Merge conflict fixes

Content.Shared/Roles/AntagPrototype.cs

@@ -1,12 +1,9 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Robust.Shared.Localization;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Utility;
 using YamlDotNet.RepresentationModel;
 
-namespace Content.Shared.Antags
+namespace Content.Shared.Roles
 {
     /// <summary>
     ///     Describes information for a single antag.

Content.Shared/Roles/JobPrototype.cs

@@ -1,12 +1,11 @@
 using System;
 using System.Collections.Generic;
-using Content.Server.Jobs;
 using Robust.Shared.Localization;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
 using YamlDotNet.RepresentationModel;
 
-namespace Content.Shared.Jobs
+namespace Content.Shared.Roles
 {
     /// <summary>
     ///     Describes information for a single job on the station.

Content.Shared/Roles/JobSpecial.cs

@@ -2,7 +2,7 @@ using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.Interfaces.Serialization;
 using Robust.Shared.Serialization;
 
-namespace Content.Server.Jobs
+namespace Content.Shared.Roles
 {
     /// <summary>
     ///     Provides special hooks for when jobs get spawned in/equipped.

Content.Shared/Roles/StartingGearPrototype.cs

@@ -7,7 +7,7 @@ using Robust.Shared.ViewVariables;
 using YamlDotNet.RepresentationModel;
 using static Content.Shared.GameObjects.Components.Inventory.EquipmentSlotDefines;
 
-namespace Content.Shared.Jobs
+namespace Content.Shared.Roles
 {
     [Prototype("startingGear")]
     public class StartingGearPrototype : IPrototype, IIndexedPrototype