There are a number of ways to Remove a Filter
1: Select the "Clear Filter" option from the Filter Group, Or From The "Filter" Drop Down

Click The "Clear Filter" Button

Use The "Filter" Drop Down
2: From the Filter Display Panel, click the box with the 'X' inside

3: You can remove column filters one a a time by selecting the columns auto filter icon, and then selecting the show "All" filter option
