Blitzwolf_bw_lt31: follow naming convention

custom_components/tuya_local/devices/blitzwolf_bw_lt31.yaml

@@ -1,4 +1,4 @@
-name: Smart LED Strip
+name: LED strip
 products:
   - id: khu3zzkkjemj6oat
     name: Blitzwolf BW-LT31
@@ -165,7 +165,7 @@ secondary_entities:
             value: "Film"
             # color: lightblue, static
   - entity: number
-    name: Strip Points
+    name: Strip points
     category: config
     dps:
       - id: 104