Report error on non-top-level type aliases (unsupported in 1.1).

Get rid of nested type aliases in project.

jps-plugin/testData/incremental/pureKotlin/addMemberTypeAlias/a.kt.new

@@ -3,7 +3,9 @@ package a
 class Outer {
     inner class B(x: String)
 
+    @Suppress("TOPLEVEL_TYPEALIASES_ONLY")
     typealias A1 = B
+    @Suppress("TOPLEVEL_TYPEALIASES_ONLY")
     private typealias A2 = B
 
     fun A1(x: Any) = x

jps-plugin/testData/incremental/pureKotlin/removeMemberTypeAlias/a.kt

@@ -3,7 +3,10 @@ package a
 class Outer {
     inner class B(x: String)
 
+    @Suppress("TOPLEVEL_TYPEALIASES_ONLY")
     typealias A1 = B
+
+    @Suppress("TOPLEVEL_TYPEALIASES_ONLY")
     private typealias A2 = B
 
     fun A1(x: Any) = x