Remove useless code

src/app/components/shared/statistics/statistics.component.ts

@@ -33,50 +33,3 @@ export class StatisticsComponent implements OnInit {
   }
 
 }
-  /*
-
-  getAnswers(): void {
-    for (const c of this.contents) {
-      this.contentAnswerService.getAnswers(c.id).subscribe( answer => {
-        [].push.apply(this.textAnswers, answer);
-      });
-      this.contentAnswerService.getAnswers(c.id).subscribe( answer => {
-        [].push.apply(this.choiceAnswers, answer);
-      });
-    }
-  }
-
-  showStatistic(value) {  // refactor answer class structure for less code and more abstraction
-    this.statistics = [];
-    for (const c of this.contents) {
-      if (value === '1') {
-        if (c.format === ContentType.TEXT) {
-          const count = this.countTextAnswers(c.id);
-          this.statistics.push({
-            name: c.subject, answers: count, percent: count * 100 / this.textAnswers.length,
-          });
-        }
-      } else {
-        if (c.format === ContentType.CHOICE) {
-          const count = this.countChoiceAnswers(c.id);
-          this.statistics.push({
-            name: c.subject, answers: count, percent: count * 100 / this.choiceAnswers.length,
-          });
-        }
-      }
-    }
-    this.selected = value;
-  }
-
-  countTextAnswers(contentId: string): number {
-    return this.textAnswers.filter(answer => answer.contentId === contentId).length;
-  }
-
-  countChoiceAnswers(contentId: string): number {
-    return this.choiceAnswers.filter(answer => answer.contentId === contentId).length;
-  }
-
-  showEvaluation(index: number) {
-    // coming with api connection, logic doesnt make sense without knowledge about api
-  }
-*/