Fix some more capitalization and remove WebsocketMsg

cmd/gen/generator/struct.go

@@ -91,6 +91,10 @@ func transformFieldName(s string) string {
 		"Pm", "PM",
 		"Totp", "TOTP",
 		"2fa", "2FA",
+		"Png", "PNG",
+		"Uuid", "UUID",
+		"Wav", "WAV",
+		"Ap", "AP",
 	).Replace(s)
 	return s
 }

types/types.go

@@ -60,8 +60,3 @@ func (lt *LemmyTime) UnmarshalJSON(b []byte) error {
 	lt.Time = t
 	return nil
 }
-
-type LemmyWebSocketMsg struct {
-	Op   string          `json:"op"`
-	Data json.RawMessage `json:"data"`
-}