[PATCH] test_common: run_script: drop special-case for -clone

[Eric Wong]

`make check' and `make check-run' actually work fine with it,
and TMPDIR=/dev/shm prove -lvw t/clone-coderepo.t is 2-3x faster
---
 lib/PublicInbox/TestCommon.pm | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 8a34e45a..a550a5a1 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -295,7 +295,6 @@ sub run_script ($;$$) {
        my ($cmd, $env, $opt) = @_;
        my ($key, @argv) = @$cmd;
        my $run_mode = $ENV{TEST_RUN_MODE} // $opt->{run_mode} // 1;
-       $run_mode = 0 if $key eq '-clone'; # relies on SIGCHLD + waitpid(-1)
        my $sub = $run_mode == 0 ? undef : key2sub($key);
        my $fhref = [];
        my $spawn_opt = {};