fix: Remove unsupported languages from Inno Setup installer

Japanese and ChineseSimplified ISL files are not included by default
in Inno Setup 6. Also fixed Portuguese to use BrazilianPortuguese.isl.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: hydropix

installer.iss

@@ -52,10 +52,8 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 Name: "french"; MessagesFile: "compiler:Languages\French.isl"
 Name: "german"; MessagesFile: "compiler:Languages\German.isl"
 Name: "spanish"; MessagesFile: "compiler:Languages\Spanish.isl"
-Name: "portuguese"; MessagesFile: "compiler:Languages\Portuguese.isl"
+Name: "portuguese"; MessagesFile: "compiler:Languages\BrazilianPortuguese.isl"
 Name: "italian"; MessagesFile: "compiler:Languages\Italian.isl"
-Name: "japanese"; MessagesFile: "compiler:Languages\Japanese.isl"
-Name: "chinesesimplified"; MessagesFile: "compiler:Languages\ChineseSimplified.isl"
 
 [Tasks]
 Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked