[Open Assets] SRB2 v2.0 in 2.2 v1.1b

v1.1b - Approval Waiting Changes 2: Electric Boogaloo

• Characters - Removed the pole from the sign sprites.
• Characters - Made 2.0 Tails and 2.0 Knux use 2.0 Sonic's sprites in NiGTHS mode.
• Unlocks - Tweaked unlock requirements for the added bonus maps.
• BMZ2 - 40 emblems -> 25 emblems
• DCZ1 - 40 emblems -> 30 emblems