Use embedded rule compile.shaders from nzsl package

xmake/rules/compile_shaders.lua

@@ -1,44 +0,0 @@
--- Compile shaders to includables headers
-rule("nzsl.compile.shaders")
-	set_extensions(".nzsl", ".nzslb")
-
-	before_buildcmd_file(function (target, batchcmds, shaderfile, opt)
-		import("core.project.project")
-		import("core.tool.toolchain")
-
-		local nzsl = project.required_package("nzsl~host") or project.required_package("nzsl")
-		assert(nzsl, "nzsl package not found")
-
-		-- warning: project.required_package is not a stable interface, this may break in the future
-		local nzslc = path.join(nzsl:installdir(), "bin", "nzslc")
-
-		-- add commands
-		batchcmds:show_progress(opt.progress, "${color.build.object}compiling.shader %s", shaderfile)
-		local argv = { "--compile=nzslb-header", "--partial", "--optimize" }
-
-		-- handle --log-format
-		local kind = target:data("plugin.project.kind") or ""
-		if kind:match("vs") then
-			table.insert(argv, "--log-format=vs")
-		end
-
-		table.insert(argv, shaderfile)
-
-		-- on mingw we need run envs because of .dll dependencies which may be not part of the PATH
-		local envs
-		if is_plat("mingw") then
-			local mingw = toolchain.load("mingw")
-			if mingw and mingw:check() then
-				envs = mingw:runenvs()
-			end
-		end
-		batchcmds:vrunv(nzslc, argv, { curdir = ".", envs = envs })
-
-		local outputFile = path.join(path.directory(shaderfile), path.basename(shaderfile) .. ".nzslb.h")
-
-		-- add deps
-		batchcmds:add_depfiles(shaderfile)
-		batchcmds:add_depvalues(nzsl:version())
-		batchcmds:set_depmtime(os.mtime(outputFile))
-		batchcmds:set_depcache(target:dependfile(outputFile))
-	end)