Display only HOMEBREW_CC/CXX in `brew --env` under superenv

The other values will be identical.
HOMEBREW_USE variables are no longer honored, ignore them
percona-server 5.6.14-rel62.0

Closes #23576.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
ice: fix audit warning
elixir 0.11.1

Closes #24067.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
crush-tools/aggregate conflict
neo4j: better headless mode

neo4j server by defaults opens an empty java gui which does nothing
beyond stealing focus. there's no need for this, so turn it off

Closes #24077.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
xcode: fix nil outdated comparison.
fping 3.8

Closes #24085.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
elb-tools 1.0.23

Closes #24088.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
hbase 0.94.13

Closes #24092.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>