Suppress useless companion for Kotlin-As-Java

[atyrin]

• hide a companion object if it contains only const/@JvmField/lateinit properties or @JvmStatic functions
• lift the declarations to outer class from the companion
• mark lifted declarations as static
• mark const/@JvmField/lateinit properties as static for named objects
• remove getter/setter for const/lateinit properties in named objects/companions
• add the companion property to the outer class

Fix #200, fix #2086