Revert "metall: add package"

This reverts commit f6ce744cdf.

packages/m/metall/xmake.lua

@@ -1,37 +0,0 @@
-package("metall")
-    set_kind("library", {headeronly = true})
-    set_homepage("https://github.com/LLNL/metall")
-    set_description("Persistent memory allocator for data-centric analytics")
-    set_license("Apache-2.0")
-
-    add_urls("https://github.com/LLNL/metall/archive/refs/tags/$(version).tar.gz",
-             "https://github.com/LLNL/metall.git")
-
-    add_versions("v0.28", "770dedb7f8220c333688b232a22104ca9d8d5823e7a8a21152b58ef970eb85d0")
-
-    if is_plat("linux", "bsd") then
-        add_syslinks("pthread")
-    end
-
-    add_deps("cmake")
-    add_deps("boost")
-
-    on_install(function (package)
-        import("package.tools.cmake").install(package, {
-            "-DJUST_INSTALL_METALL_HEADER=ON"
-        })
-    end)
-
-    on_test(function (package)
-        assert(package:has_cfuncs("metall_create", {includes = "metall/c_api/metall.h"}))
-        assert(package:check_cxxsnippets({test = [[
-            #include <metall/metall.hpp>
-            #include <boost/container/vector.hpp>
-            using vector_t = boost::container::vector<int, metall::manager::allocator_type<int>>;
-            void test() {
-                metall::manager manager(metall::open_only, "/tmp/dir");
-                auto pvec = manager.find<vector_t>("vec").first;
-                pvec->push_back(10);
-            }
-        ]]}, {configs = {languages = "c++17"}}))
-    end)