Remove the bigdecimal gem dependency
Remove the bigdecimal gem dependency

This does not seem to be used in the existing source code, so I am
going to try out removing it. It seems to be causing an error during
TravisCI execution, and this should fix it.

acant/gitdocs,nesquena/gitdocs,acant/gitdocs,DustinH/gitdocs,nesquena/gitdocs,DustinH/gitdocs,DustinH/gitdocs,nesquena/gitdocs,acant/gitdocs,Ammar12/testapp,Ammar12/testapp