Remove wx{File,Dir}PickerCtrl::CheckPath() declaration.

This function wasn't defined, so don't declare it neither.

This should have been part of r72475.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73749 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/filepicker.h

@@ -267,9 +267,6 @@ public:
 
 public:     // overrides
 
-    // return true if the given path is valid for this control
-    bool CheckPath(const wxString& path) const;
-
     // return the text control value in canonical form
     wxString GetTextCtrlValue() const;
 
@@ -371,8 +368,6 @@ public:
 
 public:     // overrides
 
-    bool CheckPath(const wxString &path) const;
-
     wxString GetTextCtrlValue() const;
 
     bool IsCwdToUpdate() const