[删除] 删除图标缩放功能

src/app/ui/collection-tools/collection-tools.component.html

@@ -7,14 +7,6 @@
     <button mat-button (click)="toggle2()">
       <mat-icon style="vertical-align: middle;">list</mat-icon>
     </button>
-    <span style="color: gray;margin-right: 10px;margin-left: 10px;">图标大小</span>
-    <mat-form-field style="margin-top: 3px;">
-      <mat-select (selectionChange)='iconScale()' [(ngModel)]="selected">
-        <mat-option value="1">正常</mat-option>
-        <mat-option value="2">放大2倍</mat-option>
-        <mat-option value="4">放大4倍</mat-option>
-      </mat-select>
-    </mat-form-field>
     <button (click)="copyAsset()" class="copytobutn" mat-button title="复制" style="margin:0 5px;" *ngIf="isEditPattern">
       <mat-icon style="padding-bottom: 7px;">library_books</mat-icon>
     </button>