removed blank quick start notebooks

Former-commit-id: e9536eff85
2020-02-12 09:59:25 +00:00 · 2020-02-12 09:59:25 +00:00 · 6c908ff4e3
--- a/examples/00_quick_start/auto_arima_point_forecast.ipynb
+++ b/examples/00_quick_start/auto_arima_point_forecast.ipynb
--- a/examples/00_quick_start/quantile_regression_prob_forecast.ipynb
+++ b/examples/00_quick_start/quantile_regression_prob_forecast.ipynb