[IR] Remove useless init block from IrLazyFunction

This block was accidentally added in aaa3fa58 in debug purposes

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt

@@ -44,10 +44,6 @@ class IrLazyFunction(
     override val stubGenerator: DeclarationStubGenerator,
     override val typeTranslator: TypeTranslator,
 ) : IrSimpleFunction(), IrLazyFunctionBase {
-    init {
-        @Suppress("UNUSED_VARIABLE") val x = 1
-    }
-
     override var parent: IrDeclarationParent by createLazyParent()
 
     override var annotations: List<IrConstructorCall> by createLazyAnnotations()