Revert "Report changes from polynomial_regression"

This reverts commit f57cbea85eb83a4646ac84a3b811fadeadceb1d2.
Fixing merge problem ..
Fixing merge problem ..
Remove debug message for tool-sampling (improve the accuracy)
Merge branch 'develop' into feature/polynomial_regression
Refactoring of the CpuSensor to improve the perf. (2)
Merge branch 'develop' into feature/polynomial_regression
Merge branch 'feature/polynomial_regression' into develop