refactor: drop the RetroBat LaserActive v1.02 name

RetroBat's ares launcher tries v1.05, v1.02 then v1.01 (Ares.Generator.cs:371-437), now recorded under launchers: in platforms/retrobat.yml. ares itself identifies the image by sha256. No file carries the name, so the database is unchanged.

emulators/ares.yml

@@ -212,7 +212,6 @@ files:
     source_ref: "desktop-ui/emulator/mega-ld.cpp:16"
 
   - name: mega_ld_bios_J.bin
-    aliases: ["[BIOS] LaserActive PAC-S1 (Japan) (v1.02).bin"]
     system: mega-ld
     region: [japan]
     required: true