removed unused vars.
On branch cc
modified:   bench/abaco-parseFloat-bench.js
modified:   bench/abaco-parseInt-bench.js
modified:   bench/abaco-xparseFloat-bench.js
modified:   bench/abaco-xparseInt-bench.js
modified:   bench/global-Number-bench.js
modified:   bench/global-parseFloat-bench.js
modified:   bench/global-parseInt-bench.js