2nd stage of split semantics change: remove deprecated String.split(String), rename splitBy back to split. Provide replacement for splitBy and splitWithRegex (JS).

libraries/stdlib/src/kotlin/text/Strings.kt

@@ -923,6 +923,10 @@ public fun String.splitToSequence(vararg delimiters: String, ignoreCase: Boolean
  * the beginning to the end of this string, and matches at each position the first element in [delimiters]
  * that is equal to a delimiter in this instance at that position.
  */
+public fun String.split(vararg delimiters: String, ignoreCase: Boolean = false, limit: Int = 0): List<String> =
+        splitToSequence(*delimiters, ignoreCase = ignoreCase, limit = limit).toList()
+
+deprecated("Use split(delimiters) instead.", ReplaceWith("split(*delimiters, ignoreCase = ignoreCase, limit = limit)"))
 public fun String.splitBy(vararg delimiters: String, ignoreCase: Boolean = false, limit: Int = 0): List<String> =
         splitToSequence(*delimiters, ignoreCase = ignoreCase, limit = limit).toList()
 

libraries/stdlib/src/kotlin/text/StringsJVM.kt

@@ -128,17 +128,6 @@ public fun String.split(regex: Pattern, limit: Int = 0): List<String>
     require(limit >= 0, { "Limit must be non-negative, but was $limit" } )
     return regex.split(this, if (limit == 0) -1 else limit).asList()
 }
-/**
- * Splits this string around matches of the given regular expression.
- */
-deprecated("Convert String argument to regex with toRegex or use splitBy instead for literal delimiters. Please note the change of return type.", ReplaceWith("split(regex.toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()"))
-public fun String.split(regex: String): Array<String> = (this as java.lang.String).split(regex)
-
-/**
- * Splits this string into at most [limit] chunks around matches of the given regular expression.
- */
-deprecated("Convert String argument to regex with toRegex or use splitBy instead for literal delimiters. Please note the change of return type and the restriction of limit to be non-negative.", ReplaceWith("split(regex.toRegex(), limit.coerceAtLeast(0)).toTypedArray()"))
-public fun String.split(regex: String, limit: Int): Array<String> = (this as java.lang.String).split(regex, limit)
 
 /**
  * Returns a substring of this string starting with the specified index.