prof_bench_SUITE: Robustify test for insufficient disk space
prof_bench_SUITE: Robustify test for insufficient disk space

Testing for a 32-bit computer is not reliable. A modern Raspberry Pi
have a 64-bit CPU but can still have a very small disk.

While we are it, remove out-commented code.

potatosalad/otp,rlipscombe/otp,rlipscombe/otp,bjorng/otp,potatosalad/otp,vinoski/otp,g-andrade/otp,vinoski/otp,vinoski/otp,emacsmirror/erlang,bjorng/otp,emacsmirror/erlang,jj1bdx/otp,erlang/otp,dumbbell/otp,g-andrade/otp,rlipscombe/otp,vinoski/otp,isvilen/otp,bjorng/otp,jj1bdx/otp,jj1bdx/otp,isvilen/otp,dgud/otp,dumbbell/otp,emacsmirror/erlang,rlipscombe/otp,g-andrade/otp,erlang/otp,mikpe/otp,bjorng/otp,dgud/otp,g-andrade/otp,dumbbell/otp,isvilen/otp,emacsmirror/erlang,potatosalad/otp,isvilen/otp,jj1bdx/otp,isvilen/otp,mikpe/otp,dgud/otp,mikpe/otp,isvilen/otp,jj1bdx/otp,bjorng/otp,mikpe/otp,erlang/otp,isvilen/otp,bjorng/otp,mikpe/otp,potatosalad/otp,bjorng/otp,erlang/otp,vinoski/otp,mikpe/otp,g-andrade/otp,potatosalad/otp,g-andrade/otp,dgud/otp,erlang/otp,rlipscombe/otp,rlipscombe/otp,rlipscombe/otp,jj1bdx/otp,erlang/otp,g-andrade/otp,dgud/otp,dumbbell/otp,bjorng/otp,vinoski/otp,dumbbell/otp,mikpe/otp,rlipscombe/otp,dgud/otp,isvilen/otp,dgud/otp,emacsmirror/erlang,potatosalad/otp,erlang/otp,vinoski/otp,vinoski/otp,mikpe/otp,dumbbell/otp,bjorng/otp,jj1bdx/otp,vinoski/otp,isvilen/otp,g-andrade/otp,jj1bdx/otp,emacsmirror/erlang,isvilen/otp,jj1bdx/otp,dumbbell/otp,jj1bdx/otp,g-andrade/otp,potatosalad/otp,dgud/otp,dgud/otp,dumbbell/otp,g-andrade/otp,emacsmirror/erlang,potatosalad/otp,vinoski/otp,erlang/otp,potatosalad/otp,mikpe/otp,dumbbell/otp,rlipscombe/otp,bjorng/otp,mikpe/otp,erlang/otp,erlang/otp,dumbbell/otp,dgud/otp,emacsmirror/erlang,potatosalad/otp,rlipscombe/otp,emacsmirror/erlang,emacsmirror/erlang