Remove Disable from Drifblim

Drifblim commonly has Red Card and Unburden, making Disable somewhat ineffective.  Considering Disable isn't even listed as a commonly used move on Drifblim (< 1.873% of Drifblims use it), there's little reason to consider it a viable move.
Merge pull request #800 from Relados/patch-46

Remove Disable from Drifblim