[premake] Cleanup

third_party/fmt.lua

@@ -3,16 +3,9 @@ project("fmt")
   uuid("b9ff4b2c-b438-42a9-971e-e0c19a711a13")
   kind("StaticLib")
   language("C++")
-  links({
-  })
   defines({
     "_LIB",
   })
---  filter({"configurations:Release", "platforms:Windows"})
---    buildoptions({
---      "/O1",
---    })
---  filter {}
 
   includedirs({
     "fmt/include",