Revert "Set EGL version to 3.0"

Does not apply to cuttlefish-testing

This reverts commit 95f7a064cc66a81f9902c33b5caf14bc9db1b3ad.

Reason for revert: Necessary swiftshader change for this caused a build break.

Change-Id: Ib28a41b136c351db35de541d4bced392144c075d