[Analysis API] move ShortenCommand.invokeShortening to the IDE repository

as Analysis API should not modify the code

^KT-58992 fixed

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/components/KtReferenceShortener.kt

@@ -127,6 +127,4 @@ public interface ShortenCommand {
 
     public val isEmpty: Boolean
         get() = typesToShorten.isEmpty() && qualifiersToShorten.isEmpty()
-
-    public fun invokeShortening(): List<KtElement>
 }