Fix some build warnings (#6832)

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Shared/ActionBlocker/ActionBlockerSystem.cs

@@ -1,6 +1,7 @@
 using Content.Shared.Body.Events;
 using Content.Shared.DragDrop;
 using Content.Shared.Emoting;
+using Content.Shared.Interaction;
 using Content.Shared.Interaction.Events;
 using Content.Shared.Inventory.Events;
 using Content.Shared.Item;

Content.Shared/Camera/CameraRecoilSystem.cs

@@ -33,7 +33,7 @@ public sealed class CameraRecoilSystem : EntitySystem
 
     private readonly ISawmill _log;
 
-    protected CameraRecoilSystem(IEntityManager entityManager)
+    private CameraRecoilSystem(IEntityManager entityManager)
     : base(entityManager)
     {
         _log = Logger.GetSawmill($"ecs.systems.{nameof(CameraRecoilSystem)}");

Content.Shared/Friction/SharedTileFrictionController.cs

@@ -59,7 +59,7 @@ namespace Content.Shared.Friction
                     Mover.UseMobMovement(body.Owner)) continue;
 
                 var surfaceFriction = GetTileFriction(body);
-                var bodyModifier = IoCManager.Resolve<IEntityManager>().GetComponentOrNull<SharedTileFrictionModifier>(body.Owner)?.Modifier ?? 1.0f;
+                var bodyModifier = IoCManager.Resolve<IEntityManager>().GetComponentOrNull<TileFrictionModifierComponent>(body.Owner)?.Modifier ?? 1.0f;
                 var friction = _frictionModifier * surfaceFriction * bodyModifier;
 
                 ReduceLinearVelocity(prediction, body, friction, frameTime);

Content.Shared/Friction/TileFrictionModifier.cs

@@ -9,8 +9,7 @@ using Robust.Shared.ViewVariables;
 namespace Content.Shared.Friction
 {
     [RegisterComponent]
-    [ComponentProtoName("TileFrictionModifier")]
-    public sealed class SharedTileFrictionModifier : Component
+    public sealed class TileFrictionModifierComponent : Component
     {
         /// <summary>
         ///     Multiply the tilefriction cvar by this to get the body's actual tilefriction.
@@ -43,7 +42,7 @@ namespace Content.Shared.Friction
         }
 
         [NetSerializable, Serializable]
-        protected sealed class TileFrictionComponentState : ComponentState
+        private sealed class TileFrictionComponentState : ComponentState
         {
             public float Modifier;
 

Content.Shared/Rotatable/RotatableComponent.cs

@@ -13,20 +13,20 @@ namespace Content.Shared.Rotatable
         /// </summary>
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("rotateWhileAnchored")]
-        public bool RotateWhileAnchored { get; protected set; }
+        public bool RotateWhileAnchored { get; private set; }
 
         /// <summary>
         ///     If true, will rotate entity in players direction when pulled
         /// </summary>
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("rotateWhilePulling")]
-        public bool RotateWhilePulling { get; protected set; } = true;
+        public bool RotateWhilePulling { get; private set; } = true;
 
         /// <summary>
         ///     The angular value to change when using the rotate verbs.
         /// </summary>
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("increment")]
-        public Angle Increment { get; protected set; } = Angle.FromDegrees(90);
+        public Angle Increment { get; private set; } = Angle.FromDegrees(90);
     }
 }

Content.Shared/Verbs/SharedVerbSystem.cs

@@ -16,7 +16,6 @@ namespace Content.Shared.Verbs
         [Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
         [Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
         [Dependency] protected readonly SharedContainerSystem ContainerSystem = default!;
-        [Dependency] private readonly ExamineSystemShared _examineSystem = default!;
 
         public override void Initialize()
         {