Keep -vet happy

core/os/os.odin

@@ -1,7 +1,6 @@
 package os
 
 import "base:runtime"
-import "core:mem"
 import "core:strconv"
 import "core:unicode/utf8"
 

core/os/os2/file_util.odin

@@ -1,6 +1,5 @@
 package os2
 
-import "core:mem"
 import "base:runtime"
 import "core:strconv"
 import "core:unicode/utf8"