build(flatpak): overhaul offline source generation with native cache scanner (#5533)

core/database/build.gradle.kts

@@ -21,7 +21,6 @@ plugins {
     alias(libs.plugins.meshtastic.kotlinx.serialization)
     alias(libs.plugins.kotlin.parcelize)
     id("meshtastic.koin")
-    alias(libs.plugins.flatpak.gradle.generator)
 }
 
 kotlin {
@@ -78,12 +77,3 @@ dependencies {
     "kspAndroidHostTest"(libs.androidx.room.compiler)
     "kspAndroidDeviceTest"(libs.androidx.room.compiler)
 }
-
-// Only kspKotlinJvmProcessorClasspath is needed here — it captures Room compiler
-// and KSP processor deps that are module-scoped and invisible to desktopApp.
-// All other JVM deps are captured transitively by desktopApp's runtimeClasspath.
-tasks.flatpakGradleGenerator {
-    outputFile = file("../../flatpak-sources-core-database.json")
-    downloadDirectory.set("./offline-repository")
-    includeConfigurations.set(setOf("kspKotlinJvmProcessorClasspath"))
-}