breaking: remove easter/egg test file

[ShaunSHamilton]

Uploading succeeded (I also confirmed it was available at cdn.freecodecamp.org)

<6>INFO  : easter/egg.txt: Copied (new)
<6>INFO  : 
Transferred:   	         21 B / 21 B, 100%, 20 B/s, ETA 0s
Checks:              2227 / 2227, 100%
Transferred:            1 / 1, 100%
Elapsed time:         1.9s

Now, if deleting this works, we should be confident moving forward with the rclone releases.

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