Removing unneeded "public override val" from constructors across the project

#KT-4295 Fixed

j2k/src/org/jetbrains/jet/j2k/ast/Identifier.kt

@@ -26,7 +26,7 @@ fun PsiNameIdentifierOwner.declarationIdentifier(): Identifier {
 
 class Identifier(
         val name: String,
-        public override val isNullable: Boolean = true,
+        override val isNullable: Boolean = true,
         private val quotingNeeded: Boolean = true
 ) : Expression() {