Remove references to obsolete QSA-product.

Change-Id: I2a89644fa7440b0ef113d956affd745716607aee
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>

src/script/doc/src/external-resources.qdoc

@@ -34,9 +34,3 @@
     \externalpage http://www.davidflanagan.com/javascript5/
     \title JavaScript: The Definitive Guide
 */
-
-/*!
-    \externalpage http://qt.nokia.com/products/library/modular-class-library#info_scripting
-    \title Qt Script for Applications (QSA)
-*/
-

src/script/doc/src/qtscript-index.qdoc

@@ -52,10 +52,6 @@
   several existing tutorials and books that cover this subject, such
   as \l{JavaScript: The Definitive Guide}.
 
-  Existing users of \l{Qt Script for Applications (QSA)} may find the
-  \l{Moving from QSA to Qt Script} document useful when porting
-  QSA scripts to Qt Script.
-
   \section1 Basic Usage
 
   To evaluate script code, you create a QScriptEngine and call its