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

gearbox/pbr/models/v_crowbar.mdl/v_crowbar.mat

@@ -0,0 +1,32 @@
+
+{
+"for" "#models/v_crowbar/chrome.mdl"
+//"basecolor_map" "chrome.png"
+//"normal_map" "chrome_normal.png"
+//"metal_map" "chrome_metal.png"
+//"roughness_map" "chrome_roughness.png"
+}
+
+{
+"for" "#models/v_crowbar/chrome_red.mdl"
+//"basecolor_map" "chrome_red.png"
+//"normal_map" "chrome_red_normal.png"
+//"metal_map" "chrome_red_metal.png"
+//"roughness_map" "chrome_red_roughness.png"
+}
+
+{
+"for" "#models/v_crowbar/hand.mdl"
+//"basecolor_map" "hand.png"
+//"normal_map" "hand_normal.png"
+//"metal_map" "hand_metal.png"
+//"roughness_map" "hand_roughness.png"
+}
+
+{
+"for" "#models/v_crowbar/skin.mdl"
+//"basecolor_map" "skin.png"
+//"normal_map" "skin_normal.png"
+//"metal_map" "skin_metal.png"
+//"roughness_map" "skin_roughness.png"
+}