Enter the 50,000 Yen code, then press Start. When "Round 1" appears, hold Right, and press Start the number of times equal to the number of stages you wish to skip.
50,000 Yen
On the Title screen, hold Up, Select, A and B, then press Start.
No Boss
Place the monk in front at the end of the level. Press A + B to execute the special move when the Boss' music begins to play. The monk and Boss will disappear.