usb: typec: Remove one bit support for the Thunderbolt rounded/non-rounded cable

Two bits support for the Thunderbolt rounded/non-rounded cable has been
added to the header file.
Hence, removing unused TBT_CABLE_ROUNDED definition from the header file.

Signed-off-by: Utkarsh Patel <[e-mail]>
Reviewed-by: Heikki Krogerus <[e-mail]>
--
changes in v2:
- Removed the fixes tag as there is no functional implication.
--
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

include/linux/usb/typec_tbt.h

···
 #define   TBT_CABLE_USB3_GEN1		1
 #define   TBT_CABLE_USB3_PASSIVE	2
 #define   TBT_CABLE_10_AND_20GBPS	3
-#define TBT_CABLE_ROUNDED		BIT(19)
 #define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) \
 					(((_vdo_) & GENMASK(20, 19)) >> 19)
 #define   TBT_GEN3_NON_ROUNDED                 0