refactor: Remove unused types

Author: NeedleInAJayStack

Sources/GraphQLTransportWS/GraphqlTransportWSError.swift

@@ -44,34 +44,13 @@ struct GraphQLTransportWSError: Error {
         )
     }
 
-    static func noType() -> Self {
-        return self.init(
-            "Message has no 'type' field",
-            code: .noType
-        )
-    }
-
     static func invalidType() -> Self {
         return self.init(
             "Message 'type' value does not match supported types",
             code: .invalidType
         )
     }
 
-    static func invalidRequestFormat(messageType: RequestMessageType) -> Self {
-        return self.init(
-            "Request message doesn't match '\(messageType.rawValue)' JSON format",
-            code: .invalidRequestFormat
-        )
-    }
-
-    static func invalidResponseFormat(messageType: ResponseMessageType) -> Self {
-        return self.init(
-            "Response message doesn't match '\(messageType.rawValue)' JSON format",
-            code: .invalidResponseFormat
-        )
-    }
-
     static func internalAPIStreamIssue(errors: [GraphQLError]) -> Self {
         return self.init(
             "API Response did not result in a stream type, contained errors\n \(errors.map { $0.message }.joined(separator: "\n"))",
@@ -98,10 +77,7 @@ public enum ErrorCode: Int, CustomStringConvertible, Sendable {
 
     // Message errors
     case invalidEncoding = 4410
-    case noType = 4411
     case invalidType = 4412
-    case invalidRequestFormat = 4413
-    case invalidResponseFormat = 4414
 
     // Initialization errors
     case unauthorized = 4430