Allow passing ENROOT_TRANSFER_TIMEOUT to enroot again

Signed-off-by: Felix Abecassis <fabecassis@nvidia.com>

Author: flx42

pyxis_slurmstepd.c

@@ -354,7 +354,6 @@ static const struct {
 	PYXIS_ENV_ENTRY("ENROOT_ZSTD_OPTIONS="),
 	PYXIS_ENV_ENTRY("ENROOT_TRANSFER_RETRIES="),
 	PYXIS_ENV_ENTRY("ENROOT_CONNECT_TIMEOUT="),
-	PYXIS_ENV_ENTRY("ENROOT_TRANSFER_TIMEOUT="),
 	PYXIS_ENV_ENTRY("ENROOT_MAX_CONNECTIONS="),
 	PYXIS_ENV_ENTRY("ENROOT_ALLOW_HTTP="),
 	{ NULL, 0 }