chore(abg): remove unused left-overs (#1638)

Author: Vampire

action-binding-generator/api/action-binding-generator.api

@@ -1,6 +1,3 @@
-public abstract interface annotation class io/github/typesafegithub/workflows/actionbindinggenerator/annotations/ExperimentalClientSideBindings : java/lang/annotation/Annotation {
-}
-
 public final class io/github/typesafegithub/workflows/actionbindinggenerator/domain/ActionCoords {
 	public fun <init> (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
 	public final fun component1 ()Ljava/lang/String;