Revert unconditional lint of Inlined

Author: som-snytt

compiler/src/dotty/tools/dotc/transform/CheckUnused.scala

@@ -145,9 +145,10 @@ class CheckUnused private (phaseMode: PhaseMode, suffix: String) extends MiniPha
     refInfos.inlined.push(tree.call.srcPos)
     ctx
   override def transformInlined(tree: Inlined)(using Context): tree.type =
-    transformAllDeep(tree.expansion) // traverse expansion with nonempty inlined stack to avoid registering defs
+    //transformAllDeep(tree.expansion) // traverse expansion with nonempty inlined stack to avoid registering defs
     val _ = refInfos.inlined.pop()
-    transformAllDeep(tree.call)
+    if !tree.call.isEmpty && phaseMode.eq(PhaseMode.Aggregate) then
+      transformAllDeep(tree.call)
     tree
 
   override def prepareForBind(tree: Bind)(using Context): Context =