Revert "Kapt: Support default constant values for constructor parameters"

This reverts commit e4d758b6

plugins/kapt3/kapt3-compiler/testData/converter/unsafePropertyInitializers.kt

@@ -21,6 +21,4 @@ object Foo {
 object Boo {
     val z = foo()
     fun foo() = "abc"
-}
-
-class Zoo(val p: Int = 100)
+}