Swift: The PointerType class isn't used any d any more.

Author: geoffw0

swift/ql/lib/codeql/swift/frameworks/StandardLibrary/PointerTypes.qll

@@ -5,22 +5,6 @@
 
 import swift
 
-/**
- * A type that is used as a pointer in Swift, such as `UnsafePointer`,
- * `UnsafeBufferPointer` and similar types.
- */
-class PointerType extends Type {
-  PointerType() {
-    this instanceof UnsafeTypedPointerType or
-    this instanceof UnsafeRawPointerType or
-    this instanceof OpaquePointerType or
-    this instanceof AutoreleasingUnsafeMutablePointerType or
-    this instanceof UnmanagedType or
-    this instanceof CVaListPointerType or
-    this instanceof ManagedBufferPointerType
-  }
-}
-
 /**
  * A Swift unsafe typed pointer type such as `UnsafePointer`,
  * `UnsafeMutablePointer` or `UnsafeBufferPointer`.