Remove the legacy QML API.

This means no version 4.0 (which was never released) and no
Qt.multimediakit alternative import.

Change-Id: Iaacf047b0d72381a4a8cd975e036135ed11ea383
Reviewed-by: Ling Hu <ling.hu@nokia.com>

src/imports/multimedia/multimedia.pro

@@ -29,10 +29,7 @@ HEADERS += \
         qdeclarativecamerafocus_p.h \
         qdeclarativecameraimageprocessing_p.h \
         qdeclarativecamerapreviewprovider_p.h \
-        qdeclarativetorch_p.h \
-        qdeclarativeaudio_p_4.h \
-        qdeclarativemediabase_p_4.h \
-        qdeclarativemediametadata_p_4.h
+        qdeclarativetorch_p.h
 
 SOURCES += \
         multimedia.cpp \
@@ -52,12 +49,9 @@ SOURCES += \
         qdeclarativecamerafocus.cpp \
         qdeclarativecameraimageprocessing.cpp \
         qdeclarativecamerapreviewprovider.cpp \
-        qdeclarativetorch.cpp \
-        qdeclarativemediabase_4.cpp \
-        qdeclarativeaudio_4.cpp
+        qdeclarativetorch.cpp
 
 OTHER_FILES += \
-    Video_4.qml \
     Video.qml
 
 # plugin.qmltypes is used by Qt Creator for syntax highlighting and the QML code model.  It needs
@@ -82,19 +76,7 @@ QMAKE_EXTRA_TARGETS += qmltypes
 # Tell qmake to create such makefile that qmldir, plugins.qmltypes and target
 # (i.e. declarative_multimedia) are all copied to $$[QT_INSTALL_IMPORTS]/QtMultimedia directory,
 
-qmldir.files += $$PWD/qmldir $$PWD/plugins.qmltypes $$PWD/Video.qml $$PWD/Video_4.qml
+qmldir.files += $$PWD/qmldir $$PWD/plugins.qmltypes $$PWD/Video.qml
 qmldir.path +=  $$[QT_INSTALL_IMPORTS]/$$TARGETPATH
 
-# another copy of the qmldir file so the old import works
-OLDQMLDIRFILE = $${_PRO_FILE_PWD_}/qmldir.qtmultimediakit
-oldcopy2build.input = OLDQMLDIRFILE
-oldcopy2build.output = $$QT.multimedia.imports/Qt/multimediakit/qmldir
-!contains(TEMPLATE_PREFIX, vc):oldcopy2build.variable_out = PRE_TARGETDEPS
-oldcopy2build.commands = $$QMAKE_COPY ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
-oldcopy2build.name = COPY ${QMAKE_FILE_IN}
-oldcopy2build.CONFIG += no_link
-# `clean' should leave the build in a runnable state, which means it shouldn't delete qmldir
-oldcopy2build.CONFIG += no_clean
-QMAKE_EXTRA_COMPILERS += oldcopy2build
-
 INSTALLS += target qmldir