Removed Browser demo from Symbian builds
Removed Browser demo from Symbian builds

Browser demo isn't currently compiling for Symbian GCCE builds
because ARMV5 built static uitools.lib apparently isn't compatible with
linking into GCCE application. Removed the browser from Symbian builds
as a hotfix for 4.6.0.

Task-number: QTBUG-5692
Reviewed-by: Janne Anttila
(cherry picked from commit 31d29b227a7609ab0dadca4244cafec919264ba8)
(cherry picked from commit 1b259bccdc906b9f20935897f03e0c75d1358515)

igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk