[core] Remove unnecessary members from UpdateParameters

src/mbgl/map/map.cpp

@@ -709,8 +709,6 @@ void Map::Impl::onUpdate(Update flags) {
         style->impl->getImageImpls(),
         style->impl->getSourceImpls(),
         style->impl->getLayerImpls(),
-        scheduler,
-        fileSource,
         annotationManager,
         prefetchZoomDelta,
         bool(stillImageRequest)

src/mbgl/renderer/renderer_impl.cpp

@@ -94,8 +94,8 @@ void Renderer::Impl::render(const UpdateParameters& updateParameters) {
         updateParameters.pixelRatio,
         updateParameters.debugOptions,
         updateParameters.transformState,
-        updateParameters.scheduler,
-        updateParameters.fileSource,
+        scheduler,
+        fileSource,
         updateParameters.mode,
         updateParameters.annotationManager,
         *imageManager,

src/mbgl/renderer/update_parameters.hpp

@@ -13,8 +13,6 @@
 
 namespace mbgl {
 
-class Scheduler;
-class FileSource;
 class AnnotationManager;
 
 class UpdateParameters {
@@ -34,8 +32,6 @@ public:
     const Immutable<std::vector<Immutable<style::Source::Impl>>> sources;
     const Immutable<std::vector<Immutable<style::Layer::Impl>>> layers;
 
-    Scheduler& scheduler;
-    FileSource& fileSource;
     AnnotationManager& annotationManager;
 
     const uint8_t prefetchZoomDelta;