fix up function style

The "function" keyword is superfluous, not in POSIX, is inconsistent
between bash files, and generally makes me angry.  So convert every
instance to the form:
	foo() {

BUG=None
TEST=`cbuildbot x86-generic-paladin` works
TEST=`bash -n cros_gestures/setup_cros_gestures.sh` works
TEST=`bash -n cros_run_unit_tests` works
TEST=`cros_run_unit_tests --help` works
TEST=`bash -n run_remote_tests.sh` works
TEST=`run_remote_tests.sh --help` works

Change-Id: Ib4ea9c6a71658f64366522550a640232c4fb6826
Reviewed-on: https://gerrit.chromium.org/gerrit/22469
Reviewed-by: Chris Sosa <sosa@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
3 files changed