1:      1.9.3-p545
1.9:    1.9.3-p545
1.9.1:  1.9.1-p431
1.9.2:  1.9.2-p320
1.9.3:  1.9.3-p545
2.0:    2.0.0-p451
2.0.0:  2.0.0-p451
2:      2.1.1
2.1:    2.1.1
stable: 2.1.1

1:      1.9.3-p545
1.9:    1.9.3-p545
1.9.3:  1.9.3-p545
2.0:    2.0.0-p451
2.0.0:  2.0.0-p451
2:      2.1.1
2.1:    2.1.1
stable: 2.1.1

Remove version aliases for EOL'd Rubies.
Remove version aliases for EOL'd Rubies.
