ui: static color non-e2e path (#26406)

* remove orientation color changing

* "just green"

selfdrive/ui/qt/onroad.cc

@@ -478,21 +478,9 @@ void AnnotatedCameraWidget::drawLaneLines(QPainter &painter, const UIState *s) {
     bg.setColorAt(0.5, QColor::fromHslF(end_hue / 360., 1.0, 0.68, 0.35));
     bg.setColorAt(1.0, QColor::fromHslF(end_hue / 360., 1.0, 0.68, 0.0));
   } else {
-    const auto &orientation = (*s->sm)["modelV2"].getModelV2().getOrientation();
-    float orientation_future = 0;
-    if (orientation.getZ().size() > 16) {
-      orientation_future = std::abs(orientation.getZ()[16]);  // 2.5 seconds
-    }
-    start_hue = 148;
-    // straight: 112, in turns: 70
-    end_hue = fmax(70, 112 - (orientation_future * 420));
-
-    // FIXME: painter.drawPolygon can be slow if hue is not rounded
-    end_hue = int(end_hue * 100 + 0.5) / 100;
-
-    bg.setColorAt(0.0, QColor::fromHslF(start_hue / 360., 0.94, 0.51, 0.4));
-    bg.setColorAt(0.5, QColor::fromHslF(end_hue / 360., 1.0, 0.68, 0.35));
-    bg.setColorAt(1.0, QColor::fromHslF(end_hue / 360., 1.0, 0.68, 0.0));
+    bg.setColorAt(0.0, QColor::fromHslF(148 / 360., 0.94, 0.51, 0.4));
+    bg.setColorAt(0.5, QColor::fromHslF(112 / 360., 1.0, 0.68, 0.35));
+    bg.setColorAt(1.0, QColor::fromHslF(112 / 360., 1.0, 0.68, 0.0));
   }
 
   painter.setBrush(bg);