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

gearbox/pbr/models/v_shock.mdl/v_shock.mat

@@ -0,0 +1,32 @@
+
+{
+"for" "#models/v_shock/hand.mdl"
+//"basecolor_map" "hand.png"
+//"normal_map" "hand_normal.png"
+//"metal_map" "hand_metal.png"
+//"roughness_map" "hand_roughness.png"
+}
+
+{
+"for" "#models/v_shock/SHOCKRIFLE6.mdl"
+//"basecolor_map" "SHOCKRIFLE6.png"
+//"normal_map" "SHOCKRIFLE6_normal.png"
+//"metal_map" "SHOCKRIFLE6_metal.png"
+//"roughness_map" "SHOCKRIFLE6_roughness.png"
+}
+
+{
+"for" "#models/v_shock/skin.mdl"
+//"basecolor_map" "skin.png"
+//"normal_map" "skin_normal.png"
+//"metal_map" "skin_metal.png"
+//"roughness_map" "skin_roughness.png"
+}
+
+{
+"for" "#models/v_shock/white.mdl"
+//"basecolor_map" "white.png"
+//"normal_map" "white_normal.png"
+//"metal_map" "white_metal.png"
+//"roughness_map" "white_roughness.png"
+}