remove commented code

Author: drbenvincent

causalpy/expt_diff_in_diff.py

@@ -197,13 +197,4 @@ def summary(self, round_to=None) -> None:
 
     def _causal_impact_summary_stat(self, round_to=None) -> str:
         """Computes the mean and 94% credible interval bounds for the causal impact."""
-
         return f"Causal impact = {convert_to_string(self.causal_impact, round_to=round_to)}"
-
-        # percentiles = self.causal_impact.quantile([0.03, 1 - 0.03]).values
-        # ci = (
-        #     "$CI_{94\\%}$"
-        #     + f"[{round_num(percentiles[0], round_to)}, {round_num(percentiles[1], round_to)}]"
-        # )
-        # causal_impact = f"{round_num(self.causal_impact.mean(), round_to)}, "
-        # return f"Causal impact = {causal_impact + ci}"