package/qt5canvas3d: drop qt 5.6 support

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/qt5/qt5canvas3d/qt5canvas3d.hash

@@ -1,6 +1,3 @@
-# Hash from: https://download.qt.io/official_releases/qt/5.6/5.6.3/submodules/qtcanvas3d-opensource-src-5.6.3.tar.xz.mirrorlist
-sha256 e99e0e159f2fba539b7947a1921072f6807f20958d32809edbf12aac571f56ff qtcanvas3d-opensource-src-5.6.3.tar.xz
-
 # Hash from: https://download.qt.io/official_releases/qt/5.12/5.12.7/submodules/qtcanvas3d-everywhere-src-5.12.7.tar.xz.sha256
 sha256 b63a513a2ee11548b122e0fd640b1fa22d3eb83cdc51ddfdf3b97c2ecd0d0c50 qtcanvas3d-everywhere-src-5.12.7.tar.xz
 
@@ -9,6 +6,3 @@ sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 LICENSE.
 sha256 8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903 LICENSE.GPL3
 sha256 0dbe024961f6ab5c52689cbd036c977975d0d0f6a67ff97762d96cb819dd5652 LICENSE.GPL3-EXCEPT
 sha256 da7eabb7bafdf7d3ae5e9f223aa5bdc1eece45ac569dc21b3b037520b4464768 LICENSE.LGPL3
-sha256 edfe70e99be2a7c109d860b19204609e582720b211c50caedac729da372a1253 LICENSE.GPLv2
-sha256 245248009fd0af1725d183248380e476c1283383909358a13686606352bf2a17 LICENSE.GPLv3
-sha256 5ceb37d1c7c1d92878b82af3c0fd5558087f3d5a08a3a4d43850bad4ad265a52 LICENSE.LGPLv3

package/qt5/qt5canvas3d/qt5canvas3d.mk

@@ -10,13 +10,8 @@ QT5CANVAS3D_SOURCE = qtcanvas3d-$(QT5_SOURCE_TARBALL_PREFIX)-$(QT5CANVAS3D_VERSI
 QT5CANVAS3D_DEPENDENCIES = qt5base qt5declarative
 QT5CANVAS3D_INSTALL_STAGING = YES
 
-ifeq ($(BR2_PACKAGE_QT5_VERSION_LATEST),y)
 QT5CANVAS3D_LICENSE = GPL-2.0+ or LGPL-3.0, GPL-3.0 with exception(tools)
 QT5CANVAS3D_LICENSE_FILES = LICENSE.GPL2 LICENSE.GPL3 LICENSE.GPL3-EXCEPT LICENSE.LGPL3
-else
-QT5CANVAS3D_LICENSE = GPL-2.0 or GPL-3.0 or LGPL-3.0
-QT5CANVAS3D_LICENSE_FILES = LICENSE.GPLv2 LICENSE.GPLv3 LICENSE.LGPLv3
-endif
 
 define QT5CANVAS3D_CONFIGURE_CMDS
 	(cd $(@D); $(TARGET_MAKE_ENV) $(HOST_DIR)/bin/qmake)