Remove www. from rock repository URL in tests
Remove www. from rock repository URL in tests

www.luarocks.org redirects to luarocks.org.

tarantool/luarocks,luarocks/luarocks,tarantool/luarocks,keplerproject/luarocks,tarantool/luarocks,keplerproject/luarocks,keplerproject/luarocks,luarocks/luarocks,keplerproject/luarocks,luarocks/luarocks