Revert "Revert "Split bsdmake wrapper out from make wrapper""

I think enough time has passed that it is safe to do this now.

This reverts commit 1003161a848970e782633959904ea776dda7e48b.

Library/ENV/4.3/bsdmake

-make
\ No newline at end of file

Library/ENV/4.3/bsdmake

+#!/bin/bash
+export HOMEBREW_CCCFG="O$HOMEBREW_CCCFG"
+pwd="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+bsd="$pwd/../../../bin/bsdmake"
+# bsdmake used to be keg-only: support users who don't run brew doctor
+[ -x "$bsd" ] || bsd="$(${HOMEBREW_BREW_FILE} --prefix bsdmake)/bin/bsdmake"
+exec "$bsd" "$@"

Library/ENV/4.3/make

 #!/bin/bash
 export HOMEBREW_CCCFG="O$HOMEBREW_CCCFG"
-if [ $(basename "$0") == "bsdmake" ]; then
-  pwd="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-  bsd="$pwd/../../../bin/bsdmake"
-  # bsdmake used to be keg-only: support users who don't run brew doctor
-  [ -x "$bsd" ] || bsd="$(${HOMEBREW_BREW_FILE} --prefix bsdmake)/bin/bsdmake"
-  exec "$bsd" "$@"
-else
-  exec xcrun make "$@"
-fi
+exec xcrun make "$@"