Author: Denis Pronin <dannftk@yandex.ru>

Description: the patch is required to make the libqt6pas project compile since 
QT6 does not have QString::isSimpleText() method any longer

--- a/src/qstring_c.cpp
+++ b/src/qstring_c.cpp
@@ -1073,11 +1073,6 @@
 	return (bool) ((QString *)handle)->isNull();
 }
 
-bool QString_isSimpleText(QStringH handle)
-{
-	return (bool) ((QString *)handle)->isSimpleText();
-}
-
 bool QString_isRightToLeft(QStringH handle)
 {
 	return (bool) ((QString *)handle)->isRightToLeft();
--- a/src/qstring_c.h
+++ b/src/qstring_c.h
@@ -166,7 +166,6 @@
 C_EXPORT void QString_push_front(QStringH handle, PWideChar c);
 C_EXPORT void QString_push_front2(QStringH handle, PWideString s);
 C_EXPORT bool QString_isNull(QStringH handle);
-C_EXPORT bool QString_isSimpleText(QStringH handle);
 C_EXPORT bool QString_isRightToLeft(QStringH handle);
 C_EXPORT void QString_chopped(QStringH handle, int len, PWideString retval);
 C_EXPORT void QString_first(QStringH handle, int n, PWideString retval);