Revert "[Sanitizer] Internal Printf string precision argument + padding."

This reverts commit r330458.

There are existing code using string precision as 'max len', need more
work.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@330476 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed