graphics/tippecanoe: revert removal

Please do not remove ports abruptly. Instead, go through a proper
process of first documenting the breakage with unconditional BROKEN
and then scheduling the removal with DEPRECATED/EXPIRATION_DATE.

This reverts commit 4c9bd41bd6fe492b8796ff927d3443ae1f5e58a2.

Pointyhat to: diizzy