Doc: Removing "technology-apis" group.

-The new overviews are the new technology articles and that people
add arbitrary articles in the group.

Change-Id: I0227f689cc3239209c6962800525bf6391e445bd
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
Reviewed-by: Geir Vattekar <geir.vattekar@digia.com>

doc/src/frameworks-technologies/accessible.qdoc

@@ -49,7 +49,6 @@
     \internal
     \nextpage Accessibility for QWidget Applications
 
-    \ingroup technology-apis
     \ingroup best-practices
 
     \tableofcontents
@@ -645,7 +644,6 @@
     \startpage Accessibility
     \previouspage Accessibility for QWidget Applications
 
-    \ingroup technology-apis
     \ingroup best-practices
 
     \tableofcontents

doc/src/frameworks-technologies/ipc.qdoc

@@ -30,7 +30,6 @@
     \title Inter-Process Communication in Qt
     \brief Inter-Process communication in Qt applications.
 
-    \ingroup technology-apis
 
     Qt provides several ways to implement Inter-Process Communication
     (IPC) in Qt applications.

doc/src/frameworks-technologies/unicode.qdoc

@@ -44,7 +44,6 @@
 
     \keyword Unicode
 
-    \ingroup technology-apis
 
     \l{http://www.unicode.org/}{Unicode}
     is the standard for encoding text in almost all languages
@@ -54,7 +53,7 @@
     and Unicode for applications.
 
     Qt 5.0 uses and fully supports version 6.2 of the Unicode standard.
-    
+
     \section1 Qt's Classes for Working with Strings
 
     These classes are relevant when working with string data. For information

doc/src/overviews.qdoc

@@ -46,19 +46,9 @@
 
 */
 
-/*!
-    \group technology-apis
-    \title Qt and Key Technologies
-
-    These pages document Qt's API's for some widely-used standards and
-    technologies.
-
-*/
-
 /*!
   \group qt-activex
   \title ActiveX in Qt
-  \ingroup technology-apis
 
   \brief Qt API's for using ActiveX controls, servers, and COM.