rocket: remove modversions include

It misspelled "MODVERSIONS" preprocessor variable with "CONFIG_MODVERSIONS".
Just kill it all.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>