Adapted keyword completion to changed parser + more precise completion for modifier keywords

idea/idea-completion/testData/keywords/PropertyAccessors2.kt

@@ -10,16 +10,10 @@ class Some {
 // EXIST:  final
 // EXIST:  fun
 // EXIST: get
-// EXIST:  in
-/*why?*/
 // EXIST:  inner
 // EXIST:  internal
 // EXIST:  object
 // EXIST:  open
-// EXIST:  out
-/*why?*/
-// EXIST:  reified
-/*why?*/
 // EXIST:  override
 // EXIST:  private
 // EXIST:  protected
@@ -28,8 +22,6 @@ class Some {
 // EXIST:  interface
 // EXIST:  val
 // EXIST:  var
-// EXIST:  vararg
-/*why?*/
 // EXIST:  constructor
 // EXIST:  init
 // EXIST:  companion object
@@ -39,10 +31,8 @@ class Some {
 // EXIST:  lateinit
 // EXIST:  data
 // EXIST:  inline
-// EXIST:  noinline
 // EXIST:  tailrec
 // EXIST:  external
 // EXIST:  annotation
-// EXIST:  crossinline
 // EXIST:  const
 // NOTHING_ELSE