Del un fl::pkg::speech @ deeplearning/projects/flashlight/flashlight/…

…app/asr/tools/alignment/Utils.h:18

Summary:
Removes a `using namespace` from the global namespace in pursuit of enabling `-Wheader-hygiene`.
Qualifies instances that relied on the `using namespace`.

Reviewed By: palmje

Differential Revision: D59581595

fbshipit-source-id: e563118009458c2c1f5ccf21e6dc3c31b250a5db

flashlight/app/asr/tools/alignment/Utils.h

@@ -15,7 +15,6 @@
 #include "flashlight/pkg/speech/common/Defines.h"
 #include "flashlight/pkg/speech/criterion/criterion.h"
 
-using namespace fl::pkg::speech;
 
 namespace fl {
 namespace app {