remove testable.h

src/app/core/testable.h

@@ -1,19 +0,0 @@
-#ifndef YAZE_APP_CORE_TESTABLE_H
-#define YAZE_APP_CORE_TESTABLE_H
-
-#include <imgui_test_engine/imgui_te_context.h>
-
-namespace yaze {
-namespace app {
-namespace core {
-class GuiTestable {
- public:
-  virtual void RegisterTests(ImGuiTestEngine* e) = 0;
-
-  ImGuiTestEngine* test_engine;
-};
-}  // namespace core
-}  // namespace app
-}  // namespace yaze
-
-#endif  // YAZE_APP_CORE_TESTABLE_H