Removed support for "typealias" declarations from the parser

#KT-10683 Fixed

compiler/testData/psi/examples/util/Comparison.kt

@@ -1,5 +1,3 @@
-typealias Comparison<in T> =  (T, T) -> Int
-
 fun naturalOrder<in T : Comparable<T>>(a : T, b : T) : Int = a.compareTo(b)
 
 fun castingNaturalOrder(a : Object, b : Object) : Int = (a as Comparable<Object>).compareTo(b as Comparable<Object>)
@@ -8,8 +6,6 @@ enum class ComparisonResult {
   LS, EQ, GR;
 }
 
-typealias MatchableComparison<in T> =  (T, T) -> ComparisonResult
-
 fun <T> asMatchableComparison(cmp : Comparison<T>) : MatchableComparison<T> = {a, b ->
   val res = cmp(a, b)
   if (res == 0) return ComparisonResult.EQ