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

valve/pbr/models/kingpin.mdl/kingpin.mat

@@ -0,0 +1,72 @@
+
+{
+"for" "#models/kingpin/armfront.mdl"
+//"basecolor_map" "armfront.png"
+//"normal_map" "armfront_normal.png"
+//"metal_map" "armfront_metal.png"
+//"roughness_map" "armfront_roughness.png"
+}
+
+{
+"for" "#models/kingpin/eye.mdl"
+//"basecolor_map" "eye.png"
+//"normal_map" "eye_normal.png"
+//"metal_map" "eye_metal.png"
+//"roughness_map" "eye_roughness.png"
+}
+
+{
+"for" "#models/kingpin/forehead.mdl"
+//"basecolor_map" "forehead.png"
+//"normal_map" "forehead_normal.png"
+//"metal_map" "forehead_metal.png"
+//"roughness_map" "forehead_roughness.png"
+}
+
+{
+"for" "#models/kingpin/front.mdl"
+//"basecolor_map" "front.png"
+//"normal_map" "front_normal.png"
+//"metal_map" "front_metal.png"
+//"roughness_map" "front_roughness.png"
+}
+
+{
+"for" "#models/kingpin/headside.mdl"
+//"basecolor_map" "headside.png"
+//"normal_map" "headside_normal.png"
+//"metal_map" "headside_metal.png"
+//"roughness_map" "headside_roughness.png"
+}
+
+{
+"for" "#models/kingpin/lowertail.mdl"
+//"basecolor_map" "lowertail.png"
+//"normal_map" "lowertail_normal.png"
+//"metal_map" "lowertail_metal.png"
+//"roughness_map" "lowertail_roughness.png"
+}
+
+{
+"for" "#models/kingpin/sac.mdl"
+//"basecolor_map" "sac.png"
+//"normal_map" "sac_normal.png"
+//"metal_map" "sac_metal.png"
+//"roughness_map" "sac_roughness.png"
+}
+
+{
+"for" "#models/kingpin/sting.mdl"
+//"basecolor_map" "sting.png"
+//"normal_map" "sting_normal.png"
+//"metal_map" "sting_metal.png"
+//"roughness_map" "sting_roughness.png"
+}
+
+{
+"for" "#models/kingpin/tailback.mdl"
+//"basecolor_map" "tailback.png"
+//"normal_map" "tailback_normal.png"
+//"metal_map" "tailback_metal.png"
+//"roughness_map" "tailback_roughness.png"
+}