Remove dummy animation

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/animations/Dummy.zig

@@ -1,14 +0,0 @@
-const std = @import("std");
-const Animation = @import("../tui/Animation.zig");
-
-const Dummy = @This();
-
-pub fn animation(self: *Dummy) Animation {
-    return Animation.init(self, deinit, realloc, draw);
-}
-
-fn deinit(_: *Dummy) void {}
-
-fn realloc(_: *Dummy) anyerror!void {}
-
-fn draw(_: *Dummy) void {}