Examples: Nodes examples clean up. (#24394)

examples/files.json

@@ -228,12 +228,12 @@
 		"webgl_water_flowmap"
 	],
 	"webgl / nodes": [
-		"webgl_loader_gltf_sheen_nodes",
-		"webgl_materials_instance_uniform_nodes",
-		"webgl_materials_physical_clearcoat_nodes",
-		"webgl_materials_standard_nodes",
+		"webgl_nodes_loader_gltf_sheen",
+		"webgl_nodes_materials_instance_uniform",
+		"webgl_nodes_materials_physical_clearcoat",
+		"webgl_nodes_materials_standard",
 		"webgl_nodes_playground",
-		"webgl_points_nodes"
+		"webgl_nodes_points"
 	],
 	"webgl / postprocessing": [
 		"webgl_postprocessing",

examples/tags.json

@@ -72,7 +72,6 @@
 	"webgl_shadowmap_viewer": [ "directional", "spot" ],
 	"webgl_skinning_simple": [ "animation" ],
 	"webgl_tonemapping": [ "gltf" ],
-	"webgl_loader_nodes": [ "caustics", "displace", "xray" ],
 	"webgl_postprocessing_afterimage": [ "trails" ],
 	"webgl_postprocessing_dof": [ "bokeh" ],
 	"webgl_postprocessing_dof2": [ "bokeh" ],