Remove qmake build files

Removes qmake as a build system for building Qt Creator itself.
Keep them for some tests that are not completely moved to CMake yet.

Change-Id: I846c6ef65626b6dfae6375fdc85d00677aa8c2fb
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/share/3rdparty/data.pro

@@ -1,17 +0,0 @@
-TEMPLATE = aux
-
-include(../../../qtcreator.pri)
-
-STATIC_BASE = $$PWD
-STATIC_OUTPUT_BASE = $$IDE_DATA_PATH
-STATIC_INSTALL_BASE = $$INSTALL_DATA_PATH
-
-DATA_DIRS = \
-    fonts \
-    package-manager
-
-for(data_dir, DATA_DIRS) {
-    STATIC_FILES += $$files($$PWD/$$data_dir/*, true)
-}
-
-include(../../../qtcreatordata.pri)

src/share/qtcreator/data.pro

@@ -1,20 +0,0 @@
-TEMPLATE = aux
-
-include(../../../qtcreator.pri)
-
-STATIC_BASE = $$PWD
-STATIC_OUTPUT_BASE = $$IDE_DATA_PATH
-STATIC_INSTALL_BASE = $$INSTALL_DATA_PATH
-
-STATIC_FILES = \
-    $$PWD/externaltools/lrelease.xml \
-    $$PWD/externaltools/lupdate.xml \
-    $$PWD/externaltools/qml.xml
-unix {
-    osx:STATIC_FILES += $$PWD/externaltools/vi_mac.xml
-    else:STATIC_FILES += $$PWD/externaltools/vi.xml
-} else {
-    STATIC_FILES += $$PWD/externaltools/notepad_win.xml
-}
-
-include(../../../qtcreatordata.pri)