tree a25142e67ec50a0a7b32865c8f0215fdd72191b0
parent c0ad894bfadcce4be4778e1773aeb09f8f19ef47
author Peter Collingbourne <pcc@google.com> 1643830128 -0800
committer Peter Collingbourne <pcc@google.com> 1645243391 -0800

Remove pixel3_mainline target.

Unfortunately it has never worked particularly well due to missing
driver support and it was getting in the way of some refactoring. The
maintainers have indicated that they intend to continue maintaining
it out of tree.

Bug: 217455793
Change-Id: I2a659a980d32912bec5a1c0869c88e06a29cf9ce