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

cstrike/pbr/models/conveyor3.mdl/conveyor3.mat

@@ -0,0 +1,48 @@
+
+{
+"for" "#models/conveyor3/conv2.mdl"
+//"basecolor_map" "conv2.png"
+//"normal_map" "conv2_normal.png"
+//"metal_map" "conv2_metal.png"
+//"roughness_map" "conv2_roughness.png"
+}
+
+{
+"for" "#models/conveyor3/conv3.mdl"
+//"basecolor_map" "conv3.png"
+//"normal_map" "conv3_normal.png"
+//"metal_map" "conv3_metal.png"
+//"roughness_map" "conv3_roughness.png"
+}
+
+{
+"for" "#models/conveyor3/convrail.mdl"
+//"basecolor_map" "convrail.png"
+//"normal_map" "convrail_normal.png"
+//"metal_map" "convrail_metal.png"
+//"roughness_map" "convrail_roughness.png"
+}
+
+{
+"for" "#models/conveyor3/mtlflr.mdl"
+//"basecolor_map" "mtlflr.png"
+//"normal_map" "mtlflr_normal.png"
+//"metal_map" "mtlflr_metal.png"
+//"roughness_map" "mtlflr_roughness.png"
+}
+
+{
+"for" "#models/conveyor3/mtlglue.mdl"
+//"basecolor_map" "mtlglue.png"
+//"normal_map" "mtlglue_normal.png"
+//"metal_map" "mtlglue_metal.png"
+//"roughness_map" "mtlglue_roughness.png"
+}
+
+{
+"for" "#models/conveyor3/mtlt16b.mdl"
+//"basecolor_map" "mtlt16b.png"
+//"normal_map" "mtlt16b_normal.png"
+//"metal_map" "mtlt16b_metal.png"
+//"roughness_map" "mtlt16b_roughness.png"
+}