Remove unused ol.PreRenderFunction typedef

src/ol/typedefs.js

@@ -241,16 +241,6 @@ ol.LRUCacheEntry;
 ol.ModifySegmentDataType;
 
 
-/**
- * Function to perform manipulations before rendering. This function is called
- * with the {@link ol.Map} as first and an optional {@link olx.FrameState} as
- * second argument. Return `true` to keep this function for the next frame,
- * `false` to remove it.
- * @typedef {function(ol.PluggableMap, ?olx.FrameState): boolean}
- */
-ol.PreRenderFunction;
-
-
 /**
  * A function that takes an array of input data, performs some operation, and
  * returns an array of output data.