Remove unused "base:builtin" import from "core:container/handle_map"

core/container/handle_map/dynamic_handle_map.odin

@@ -1,7 +1,6 @@
 package container_handle_map
 
 import "base:runtime"
-import "base:builtin"
 import "base:intrinsics"
 @(require) import "core:container/xar"
 
@@ -139,4 +138,4 @@ dynamic_iterate :: proc "contextless" (it: ^$DHI/Dynamic_Handle_Map_Iterator($D/
 	}
 	it.index = 0
 	return
-}
+}