Remove lettuce tests (no updates since 2016, no py3 support)
Remove lettuce tests (no updates since 2016, no py3 support)

GitOrigin-RevId: a3519c0d185e23b6b75e4e01d0c4e10158395e51
allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community