Android: Remove the unused ability to override the lang path

Attempt at crash fix in ReportScreen

UI/NativeApp.cpp

@@ -242,16 +242,7 @@ void PostLoadConfig() {
 	if (g_Config.currentDirectory.empty()) {
 		g_Config.currentDirectory = g_Config.defaultCurrentDirectory;
 	}
-
-	// Allow the lang directory to be overridden for testing purposes (e.g. Android, where it's hard to
-	// test new languages without recompiling the entire app, which is a hassle).
-	const Path langOverridePath = GetSysDirectory(DIRECTORY_SYSTEM) / "lang";
-
-	// If we run into the unlikely case that "lang" is actually a file, just use the built-in translations.
-	if (!File::Exists(langOverridePath) || !File::IsDirectory(langOverridePath))
-		g_i18nrepo.LoadIni(g_Config.sLanguageIni);
-	else
-		g_i18nrepo.LoadIni(g_Config.sLanguageIni, langOverridePath);
+	g_i18nrepo.LoadIni(g_Config.sLanguageIni);
 
 #if !PPSSPP_PLATFORM(WINDOWS) || PPSSPP_PLATFORM(UWP)
 	CreateSysDirectories();

UI/ReportScreen.cpp

@@ -180,9 +180,6 @@ ScreenRenderFlags ReportScreen::PreRender(ScreenRenderMode mode) {
 			if (result == ScreenshotResult::Success) {
 				// Redo the views already, now with a screenshot included.
 				RecreateViews();
-			} else {
-				// Good news (?), the views are good as-is without a screenshot.
-				screenshotFilename_.clear();
 			}
 		});