Merge branch 'master' into jgrpp

# Conflicts:
#	.github/workflows/release-linux.yml
#	src/base_consist.h
#	src/blitter/32bpp_optimized.cpp
#	src/blitter/32bpp_optimized.hpp
#	src/blitter/32bpp_sse2.hpp
#	src/blitter/8bpp_optimized.hpp
#	src/gfx_func.h
#	src/industry_cmd.cpp
#	src/industrytype.h
#	src/linkgraph/linkgraphjob.cpp
#	src/mixer.cpp
#	src/newgrf_callbacks.h
#	src/openttd.cpp
#	src/os/macosx/macos.mm
#	src/os/windows/win32.cpp
#	src/pathfinder/npf/npf.cpp
#	src/road_cmd.cpp
#	src/saveload/afterload.cpp
#	src/saveload/saveload.h
#	src/saveload/vehicle_sl.cpp
#	src/sound.cpp
#	src/spritecache.cpp
#	src/spriteloader/spriteloader.hpp
#	src/station_map.h
#	src/timetable_cmd.cpp
#	src/timetable_cmd.h
#	src/timetable_gui.cpp
#	src/town_cmd.cpp
#	src/vehicle_cmd.cpp
#	src/vehicle_gui_base.h
#	src/video/opengl.cpp
#	src/video/opengl.h
#	src/viewport.cpp

src/zoom_type.h

@@ -31,8 +31,6 @@ enum ZoomLevel : byte {
 	ZOOM_LVL_OUT_512X,   ///< Zoomed 512 times out.
 	ZOOM_LVL_END,        ///< End for iteration.
 
-	ZOOM_LVL_COUNT = ZOOM_LVL_END - ZOOM_LVL_BEGIN, ///< Number of zoom levels.
-
 	/* Here we define in which zoom viewports are */
 	ZOOM_LVL_VIEWPORT = ZOOM_LVL_OUT_4X, ///< Default zoom level for viewports.
 	ZOOM_LVL_NEWS     = ZOOM_LVL_OUT_4X, ///< Default zoom level for the news messages.