refactor(core): remove unused layer exports (#39975)

Co-authored-by: Kit Langton <kit.langton@gmail.com>

packages/core/src/location-services.ts

@@ -148,6 +148,3 @@ export function buildLocationServiceMap(
     ),
   )
 }
-
-// This is temporary for backwards compatibility
-export const locationServiceMapLayer = buildLocationServiceMap()

packages/core/src/plugin/runtime.ts

@@ -120,7 +120,6 @@ export const providerLayerWithCell = (cell: Cell) =>
   )
 
 export const layer = layerWithCell(defaultCell)
-export const providerLayer = providerLayerWithCell(defaultCell)
 
 export const node = makeGlobalNode({ service: Service, layer, deps: [] })