remove combined {models,sprites}.mat, remove extra .mdl .spr exts

gearbox/pbr/models/v_pipe_wrench.mdl/v_pipe_wrench.mat

@@ -0,0 +1,32 @@
+
+{
+"for" "#models/v_pipe_wrench/hand.mdl"
+//"basecolor_map" "hand.png"
+//"normal_map" "hand_normal.png"
+//"metal_map" "hand_metal.png"
+//"roughness_map" "hand_roughness.png"
+}
+
+{
+"for" "#models/v_pipe_wrench/skin.mdl"
+//"basecolor_map" "skin.png"
+//"normal_map" "skin_normal.png"
+//"metal_map" "skin_metal.png"
+//"roughness_map" "skin_roughness.png"
+}
+
+{
+"for" "#models/v_pipe_wrench/v_pipe_wrench.mdl"
+//"basecolor_map" "v_pipe_wrench.png"
+//"normal_map" "v_pipe_wrench_normal.png"
+//"metal_map" "v_pipe_wrench_metal.png"
+//"roughness_map" "v_pipe_wrench_roughness.png"
+}
+
+{
+"for" "#models/v_pipe_wrench/v_pipe_wrench_ring.mdl"
+//"basecolor_map" "v_pipe_wrench_ring.png"
+//"normal_map" "v_pipe_wrench_ring_normal.png"
+//"metal_map" "v_pipe_wrench_ring_metal.png"
+//"roughness_map" "v_pipe_wrench_ring_roughness.png"
+}