Remove full debian directory from gitignore
Remove full debian directory from gitignore

This is considered a bad practice since new files added to the
directory will not appear in the `git status`.  One has to remember to
add and chance are one is going to forget.

RidgeRun/gstd-1.x,RidgeRun/gstd-1.x,RidgeRun/gstd-1.x,RidgeRun/gstd-1.x