fix(datepicker): remove min-max logic from formats demo (#4967)

Author: ludmilanesvitiy

demo/src/app/components/+datepicker/demos/custom-format/custom-format.html

@@ -3,8 +3,6 @@
     <div class="col-xs-12 col-md-5 col-lg-4 form-group">
       <input
         class="form-control"
-        [minDate]="minDate"
-        [maxDate]="maxDate"
         #dpYMD="bsDatepicker"
         bsDatepicker
         formControlName="myDateYMD"
@@ -20,8 +18,6 @@
     <div class="col-xs-12 col-md-5 col-lg-4 form-group">
       <input
         class="form-control"
-        [minDate]="minDate"
-        [maxDate]="maxDate"
         #dpMDY="bsDatepicker"
         bsDatepicker
         formControlName="myDateMDY"
@@ -37,8 +33,6 @@
     <div class="col-xs-12 col-md-5 col-lg-4 form-group">
       <input
         class="form-control"
-        [minDate]="minDate"
-        [maxDate]="maxDate"
         #dpFull="bsDatepicker"
         bsDatepicker
         formControlName="myDateFull"

demo/src/app/components/+datepicker/demos/custom-format/custom-format.ts

@@ -6,8 +6,6 @@ import { FormControl, FormGroup } from '@angular/forms';
   templateUrl: './custom-format.html'
 })
 export class DemoDatePickerCustomFormatComponent {
-  minDate = new Date(2017, 5, 10);
-  maxDate = new Date(2018, 9, 15);
 
   myForm = new FormGroup({
     myDateYMD: new FormControl(new Date()),