Added the CUT-BASE4DR availability modifier for SV4821DL and SV4821DR.

Updated the following names:
• BSW3348 → SW3348B
• CUT-VAN → CUT-SBASE
• CUT-VAN2DR → CUT-BASE2DR
• CUT-VAN3DR → CUT-BASE3DR
• CUT-VAN4DR → CUT-BASE4DR
• CLSBLND → CLSBLIND
• VFDB1221F → VFDB1221

Removed the hinge specification from the following models: BBC42/45-PO-L, BBC42/45-PO-R, BF09PO, V3021FD, V3621FD, V4221FD, SV4821DL, SV4821DR, B__SFTTR-DMK, ADA-B1_SFTTR-DMK & OB__