The design is the visual features of the AIR REMOVAL DEVICE shown in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or a combination of any of these features. The portions of the AIR REMOVAL DEVICE shown in broken lines are for illustrative purpose only and form no part of the design. The zig-zag break lines shown in Figures 1-5 and 8-12 are intended to showportions of the AIR REMOVAL DEVICE having indefinite length.Drawings of the design are included, in which:Figure 1 is a top front perspective view of the AIR REMOVAL DEVICE according to a first variant;Figure 2 is a right side view of the Figure 1 AIR REMOVAL DEVICE;Figure 3 is a left side view of the Figure 1 AIR REMOVAL DEVICE;Figure 4 is a front view of the Figure 1 AIR REMOVAL DEVICE;Figure 5 is a rear side view of the Figure 1 AIR REMOVAL DEVICE;Figure 6 is a top view of the Figure 1 AIR REMOVAL DEVICE;Figure 7 is a bottom view of the Figure 1 AIR REMOVAL DEVICE;Figure 8 is a top front perspective view of the AIR REMOVAL DEVICE according to a second variant;Figure 9 is a right side view of the Figure 8 AIR REMOVAL DEVICE;Figure 10 is a left side view of the Figure 8 AIR REMOVAL DEVICE;Figure 11 is a front view of the Figure 8 AIR REMOVAL DEVICE;Figure 12 is a rear side view of the Figure 8 AIR REMOVAL DEVICE;Figure 13 is a top view of the Figure 8 AIR REMOVAL DEVICE; andFigure 14 is a bottom view of the Figure 8 AIR REMOVAL DEVICE.