fix: disable kotlin emission in synthesized gradle projects

Author: edengilbertus

amber-cli/src/main/kotlin/dev/amber/cli/Main.kt

@@ -586,7 +586,6 @@ private fun runGradleSynth(
 ) {
     val lifter = MethodLifter()
     val javaEmitter = JavaEmitter()
-    val kotlinEmitter = KotlinEmitter()
     val synthesizer = GradleProjectSynthesizer()
     val resourcePipeline = ResourcePipeline(resourceWorkspaceRoot)
     val resourceWorkspace = resourcePipeline.prepareWorkspace("bundle")
@@ -607,13 +606,7 @@ private fun runGradleSynth(
         diagnostics = emitDiagnostics,
         classes = lifted.classes,
     )
-    println("Emitting Kotlin to $emittedSourcesDir when STRICT_OK metadata is available ...")
-    val kotlinEmitResult = kotlinEmitter.emitToDirectory(
-        classes = lifted.classes,
-        methods = lifted.methods,
-        outputDir = emittedSourcesDir,
-        diagnostics = emitDiagnostics,
-    )
+    emitDiagnostics += "Kotlin emission is disabled for synthesized Gradle projects by default; use --emit for Kotlin output inspection."
 
     println("Synthesizing Gradle project at $projectDir ...")
     val config = GradleProjectSynthesizer.ProjectConfig(packageName = packageName)
@@ -626,7 +619,7 @@ private fun runGradleSynth(
         projectDir = projectDir,
         emittedSources = emittedSourcesDir.resolve("main").resolve("java"),
         config = config,
-        emittedSourceSets = javaEmitResult.sourceSetLayouts + kotlinEmitResult.sourceSetLayouts,
+        emittedSourceSets = javaEmitResult.sourceSetLayouts,
         resourceInputs = resourceInputs,
         diagnostics = diagnostics,
     )