Doc: remove addressbook-sdk.qdoc from help dependencies

The file has been removed.

Change-Id: I8102eecb2a71a02166c670e4de4ebf48479ceff4
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>

doc/doc.pri

@@ -30,7 +30,6 @@ QHP_FILE = $$OUT_PWD/doc/html/qtcreator.qhp
 QCH_FILE = $$IDE_DOC_PATH/qtcreator.qch
 
 HELP_DEP_FILES = $$PWD/src/qtcreator.qdoc \
-                 $$PWD/addressbook-sdk.qdoc \
                  $$PWD/config/compat.qdocconf \
                  $$PWD/config/macros.qdocconf \
                  $$PWD/config/qt-cpp-ignore.qdocconf \