Revert "[K/N] skip lowerings for header caches"

This reverts commit cf2135aaa4.

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/driver/phases/TopLevelPhases.kt

@@ -74,7 +74,6 @@ internal fun <C : PhaseContext> PhaseEngine<C>.runBackend(backendContext: Contex
                 newEngine(generationState) { generationStateEngine ->
                     if (context.config.produce.isCache) {
                         generationStateEngine.runPhase(BuildAdditionalCacheInfoPhase, module)
-                        if (context.config.produce.isHeaderCache) return@newEngine
                     }
                     if (context.config.produce == CompilerOutputKind.PROGRAM) {
                         generationStateEngine.runPhase(EntryPointPhase, module)