[core] remove unused TimePoint during Source update

src/mbgl/map/map.cpp

@@ -227,7 +227,6 @@ void Map::Impl::update() {
 
     style::UpdateParameters parameters(pixelRatio,
                                        debugOptions,
-                                       timePoint,
                                        transform.getState(),
                                        style->workers,
                                        fileSource,

src/mbgl/style/source_impl.cpp

@@ -179,8 +179,6 @@ bool Source::Impl::parseTiles(const UpdateParameters& parameters) {
         }
     }
 
-    updated = parameters.animationTime;
-
     return allTilesUpdated;
 }
 

src/mbgl/style/source_impl.hpp

@@ -88,9 +88,6 @@ private:
     virtual Range<uint8_t> getZoomRange() = 0;
     virtual std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) = 0;
 
-    // Stores the time when this source was most recently updated.
-    TimePoint updated = TimePoint::min();
-
     std::map<OverscaledTileID, std::unique_ptr<Tile>> tiles;
     std::map<UnwrappedTileID, RenderTile> renderTiles;
     TileCache cache;

src/mbgl/style/update_parameters.hpp

@@ -17,7 +17,6 @@ class UpdateParameters {
 public:
     UpdateParameters(float pixelRatio_,
                           MapDebugOptions debugOptions_,
-                          TimePoint animationTime_,
                           const TransformState& transformState_,
                           Worker& worker_,
                           FileSource& fileSource_,
@@ -27,7 +26,6 @@ public:
                           Style& style_)
         : pixelRatio(pixelRatio_),
           debugOptions(debugOptions_),
-          animationTime(std::move(animationTime_)),
           transformState(transformState_),
           worker(worker_),
           fileSource(fileSource_),
@@ -38,7 +36,6 @@ public:
 
     float pixelRatio;
     MapDebugOptions debugOptions;
-    TimePoint animationTime;
     const TransformState& transformState;
     Worker& worker;
     FileSource& fileSource;

test/style/source.cpp

@@ -38,7 +38,6 @@ public:
     style::UpdateParameters updateParameters {
         1.0,
         MapDebugOptions(),
-        TimePoint(),
         transformState,
         worker,
         fileSource,