Remove last remainings of Qt Quick 1 imports

amends  e1fd607493

Change-Id: I4587ae287635bc9718325a24bee728f1c1938978
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

.gitignore

@@ -45,7 +45,6 @@ qt*-config.pri
 !/lib/README
 /plugins/
 
-/imports/
 /qml/
 
 /doc/*.qch

dist/README

@@ -82,7 +82,6 @@ For example:
 
 - Qt Assistant, the Qt documentation reader
 - Qt QML Scene, the viewer for Qt Quick 2 files
-- Qt QML Viewer, the viewer for Qt Quick 1 files
 and - Qt Designer, the GUI designer for Qt widgets-based applications
 
 You can use Qt Creator to develop with other Qt versions as well:

doc/global/externalsites/qt-webpages.qdoc

@@ -100,11 +100,6 @@
     \title Qt 4.8 Reference Documentation
 */
 
-/*!
-    \externalpage http://doc.qt.io/qt-4.8/qtquick.html
-    \title Qt Quick 1 Reference Documentation
-*/
-
 /*!
     \externalpage http://wiki.qt.io/Qt_Localization
     \title external: Translating Qt Into Other Languages

qmake/doc/src/qmake-manual.qdoc

@@ -4434,7 +4434,6 @@
         \li QT_INSTALL_DOCS - location of documentation
         \li QT_INSTALL_EXAMPLES - location of examples
         \li QT_INSTALL_HEADERS - location for all header files
-        \li QT_INSTALL_IMPORTS - location of QML 1.x extensions
         \li QT_INSTALL_LIBEXECS - location of executables required by libraries at runtime
         \li QT_INSTALL_LIBS - location of libraries
         \li QT_INSTALL_PLUGINS - location of Qt plugins