Remove extra newlines before closing braces in capability classes

Co-authored-by: MackinnonBuck <10456961+MackinnonBuck@users.noreply.github.com>

Author: Copilot

src/ModelContextProtocol.Core/Protocol/ClientCapabilities.cs

@@ -66,5 +66,4 @@ public sealed class ClientCapabilities
     /// </summary>
     [JsonPropertyName("elicitation")]
     public ElicitationCapability? Elicitation { get; set; }
-
 }

src/ModelContextProtocol.Core/Protocol/PromptsCapability.cs

@@ -31,5 +31,4 @@ public sealed class PromptsCapability
     /// </remarks>
     [JsonPropertyName("listChanged")]
     public bool? ListChanged { get; set; }
-
 }

src/ModelContextProtocol.Core/Protocol/ResourcesCapability.cs

@@ -29,5 +29,4 @@ public sealed class ResourcesCapability
     /// </remarks>
     [JsonPropertyName("listChanged")]
     public bool? ListChanged { get; set; }
-
 }

src/ModelContextProtocol.Core/Protocol/RootsCapability.cs

@@ -33,5 +33,4 @@ public sealed class RootsCapability
     /// </remarks>
     [JsonPropertyName("listChanged")]
     public bool? ListChanged { get; set; }
-
 }

src/ModelContextProtocol.Core/Protocol/ServerCapabilities.cs

@@ -65,5 +65,4 @@ public sealed class ServerCapabilities
     /// </summary>
     [JsonPropertyName("completions")]
     public CompletionsCapability? Completions { get; set; }
-
 }

src/ModelContextProtocol.Core/Protocol/ToolsCapability.cs

@@ -22,5 +22,4 @@ public sealed class ToolsCapability
     /// </remarks>
     [JsonPropertyName("listChanged")]
     public bool? ListChanged { get; set; }
-
 }