Clean up unused exports in Three.TSL.js (#31719)

Removed unused exports from TSL module. Cleanup from https://github.com/mrdoob/three.js/pull/31555.

src/Three.TSL.js

@@ -535,7 +535,6 @@ export const tangentGeometry = TSL.tangentGeometry;
 export const tangentLocal = TSL.tangentLocal;
 export const tangentView = TSL.tangentView;
 export const tangentWorld = TSL.tangentWorld;
-export const temp = TSL.temp;
 export const texture = TSL.texture;
 export const texture3D = TSL.texture3D;
 export const textureBarrier = TSL.textureBarrier;
@@ -547,9 +546,6 @@ export const textureSize = TSL.textureSize;
 export const textureStore = TSL.textureStore;
 export const thickness = TSL.thickness;
 export const time = TSL.time;
-export const timerDelta = TSL.timerDelta;
-export const timerGlobal = TSL.timerGlobal;
-export const timerLocal = TSL.timerLocal;
 export const toneMapping = TSL.toneMapping;
 export const toneMappingExposure = TSL.toneMappingExposure;
 export const toonOutlinePass = TSL.toonOutlinePass;