skins2: remove unused function.

modules/gui/skins2/utils/ustring.cpp

@@ -249,19 +249,6 @@ const UString UString::operator +( const char *pString ) const
 }
 
 
-void UString::debug() const
-{
-    char *s = new char[size() + 1];
-    for( uint32_t i = 0; i < size(); i++ )
-    {
-        s[i] = (char)m_pString[i];
-    }
-    s[size()] = '\0';
-    msg_Err( getIntf(), "%s", s );
-    delete[] s;
-}
-
-
 uint32_t UString::find( const UString &str, uint32_t position ) const
 {
     uint32_t pos;

modules/gui/skins2/utils/ustring.hpp

@@ -85,9 +85,6 @@ class UString: public SkinObject
         /// Build a string from an integer
         static UString fromInt(intf_thread_t *pIntf, int number);
 
-        /// XXX: temporary
-        void debug() const;
-
     private:
         /// Unicode string
         uint32_t *m_pString;