Revert "RDS: avoid large pages for sg allocation for TCP transport"

Revert "RDS: avoid large pages for sg allocation for TCP transport"

This reverts commit 2d80dcbe382c ("RDS: avoid large pages for sg allocation
for TCP transport") because RDS has implemented N sge to support large
fragment size, with each sge of PAGE_SIZE.

Orabug: 26770234

Signed-off-by: Wei Lin Guay <wei.lin.guay@oracle.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Tested-by: Shih-Yu Huang <shih-yu.huang@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Dhaval Giani <dhaval.giani@oracle.com>