Merge pull request #14804 from moiseev/no-weird-overload-5

[5.0][stdlib] Remove the unnecessary compactMap overload

Author: moiseev

stdlib/public/core/StringRangeReplaceableCollection.swift.gyb

@@ -441,13 +441,6 @@ extension Sequence {
 }
 
 extension Collection {
-  @_inlineable // FIXME(sil-serialize-all)
-  public func compactMap(
-    _ transform: (Element) throws -> String?
-  ) rethrows -> [String] {
-    return try _compactMap(transform)
-  }
-
   @available(swift, deprecated: 4.1, renamed: "compactMap(_:)",
     message: "Please use compactMap(_:) for the case where closure returns an optional value")
   @inline(__always)