Remove duplicate thread loop

Fixes animation running at 2x speed

Change-Id: Ieec353097b6eee1cf40530e6f4f1e69927d2bc98
diff --git a/wear_ui.h b/wear_ui.h
index dadf324..9351d41 100644
--- a/wear_ui.h
+++ b/wear_ui.h
@@ -54,6 +54,8 @@
 
     void InitTextParams() override;
 
+    void update_progress_locked() override;
+
     void PrintV(const char*, bool, va_list) override;
 
   private:
@@ -74,8 +76,6 @@
     void draw_screen_locked() override;
     void draw_progress_locked();
 
-    static void* progress_thread(void* cookie);
-    void progress_loop();
     void PutChar(char);
     void ClearText();
 };