[core] remove throttling from geometry tile

- This doesn't work for asynchronous rendering -  see https://github.com/mapbox/mapbox-gl-native/pull/9611

src/mbgl/tile/geometry_tile.cpp

@@ -18,7 +18,6 @@
 #include <mbgl/text/collision_tile.hpp>
 #include <mbgl/map/transform_state.hpp>
 #include <mbgl/style/filter_evaluator.hpp>
-#include <mbgl/util/chrono.hpp>
 #include <mbgl/util/logging.hpp>
 #include <mbgl/actor/scheduler.hpp>
 
@@ -58,7 +57,6 @@ GeometryTile::GeometryTile(const OverscaledTileID& id_,
              parameters.pixelRatio),
       glyphManager(parameters.glyphManager),
       imageManager(parameters.imageManager),
-      placementThrottler(Milliseconds(300), [this] { invokePlacement(); }),
       lastYStretch(1.0f),
       mode(parameters.mode) {
 }
@@ -102,11 +100,7 @@ void GeometryTile::setPlacementConfig(const PlacementConfig& desiredConfig) {
 
     ++correlationID;
     requestedConfig = desiredConfig;
-    if (mode == MapMode::Continuous) {
-        placementThrottler.invoke();
-    } else {
-        invokePlacement();
-    }
+    invokePlacement();
 }
 
 void GeometryTile::invokePlacement() {

src/mbgl/tile/geometry_tile.hpp

@@ -133,8 +133,7 @@ private:
 
     std::unordered_map<std::string, std::shared_ptr<Bucket>> symbolBuckets;
     std::unique_ptr<CollisionTile> collisionTile;
-    
-    util::Throttler placementThrottler;
+
     float lastYStretch;
     const MapMode mode;