Remove log prints

Author: gioragutt

src/material/chips/chip-list.ts

@@ -498,7 +498,6 @@ export class MatChipList extends _MatChipListMixinBase implements MatFormFieldCo
   _keydown(event: KeyboardEvent) {
     const target = event.target as HTMLElement;
 
-    console.log('_keydown:', this._focusLastChipOnBackspace);
     // After input became empty and backspace was pressed again, focus last chip
     if (this._isInputElement(target)) {
       if (event.keyCode === BACKSPACE && this._focusLastChipOnBackspace) {
@@ -530,13 +529,13 @@ export class MatChipList extends _MatChipListMixinBase implements MatFormFieldCo
    */
   _keyup(event: KeyboardEvent) {
     const target = event.target as HTMLElement;
-    console.log('_keyup:', this._focusLastChipOnBackspace);
+
     // Allow user to move focus to chips next time he presses backspace
     if (
       !this._focusLastChipOnBackspace &&
-      event.keyCode === BACKSPACE && this._isInputEmpty(target)
+      event.keyCode === BACKSPACE &&
+      this._isInputEmpty(target)
     ) {
-      console.log('change to focus last on backspace:', this._focusLastChipOnBackspace);
       this._focusLastChipOnBackspace = true;
       event.preventDefault();
     }