rm old src
Squashed 'src/remixlab/fpstiming/' content from commit 5af7966

git-subtree-dir: src/remixlab/fpstiming
git-subtree-split: 5af7966e608f32d141d2a419a24bf47cc8749157
Merge commit 'e8c83a696661baf838571ad1944a867d618e7c64' as 'src/remixlab/fpstiming'
updating to latest tree