Fix warnings and code cleanup/fixes (#13570)

Content.Server/NPC/Components/NPCPathfindPointComponent.cs

@@ -3,9 +3,9 @@ namespace Content.Server.NPC.Components;
 [RegisterComponent]
 public sealed class NPCPathfindPointComponent : Component
 {
-    /// <summary>
-    /// Next point for the NPC to head to.
-    /// </summary>
+    // /// <summary>
+    // /// Next point for the NPC to head to.
+    // /// </summary>
     // [ViewVariables(VVAccess.ReadWrite), DataField("nextPoint")]
     // public EntityUid? NextPoint;
 }

Content.Server/NPC/Pathfinding/PathfindingSystem.Grid.cs

@@ -566,8 +566,6 @@ public sealed partial class PathfindingSystem
                             start = new Vector2i(nextX, nextY);
                             data = points[x * SubStep + nextX, y * SubStep + nextY].Data;
                         }
-
-                        continue;
                     }
                 }