WebGLRenderer: Fix shadow map uniform management. (#32590)

Author: Mugen87

src/renderers/WebGLRenderer.js

@@ -2210,12 +2210,9 @@ class WebGLRenderer {
 				uniforms.pointLightShadows.value = lights.state.pointShadow;
 				uniforms.hemisphereLights.value = lights.state.hemi;
 
-				uniforms.directionalShadowMap.value = lights.state.directionalShadowMap;
 				uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;
-				uniforms.spotShadowMap.value = lights.state.spotShadowMap;
 				uniforms.spotLightMatrix.value = lights.state.spotLightMatrix;
 				uniforms.spotLightMap.value = lights.state.spotLightMap;
-				uniforms.pointShadowMap.value = lights.state.pointShadowMap;
 				uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;
 				// TODO (abelnation): add area lights shadow info to uniforms
 

src/renderers/shaders/UniformsLib.js

@@ -135,7 +135,6 @@ const UniformsLib = {
 			shadowMapSize: {}
 		} },
 
-		directionalShadowMap: { value: [] },
 		directionalShadowMatrix: { value: [] },
 
 		spotLights: { value: [], properties: {
@@ -157,7 +156,6 @@ const UniformsLib = {
 		} },
 
 		spotLightMap: { value: [] },
-		spotShadowMap: { value: [] },
 		spotLightMatrix: { value: [] },
 
 		pointLights: { value: [], properties: {
@@ -177,7 +175,6 @@ const UniformsLib = {
 			shadowCameraFar: {}
 		} },
 
-		pointShadowMap: { value: [] },
 		pointShadowMatrix: { value: [] },
 
 		hemisphereLights: { value: [], properties: {