xap_helper: drop unused `struct worker'

I never actually used this struct since the PID <=> worker
mappers is a simple array where O(n) lookups won't hurt due
to the small amount of workers.

diff --git a/lib/PublicInbox/xap_helper.h b/lib/PublicInbox/xap_helper.h
index 69ce7c7d0b2a9d3095c41feb81d096800ac3f404..d582841c474ac8e2a369f3afa862224cddcf8aff 100644 (file)
--- a/lib/PublicInbox/xap_helper.h
+++ b/lib/PublicInbox/xap_helper.h
@@ -202,11 +202,6 @@ struct req { // argv and pfxv point into global rbuf
        bool asc; // ascending sort
 };
 
-struct worker {
-       pid_t pid;
-       unsigned nr;
-};
-
 struct fbuf {
        FILE *fp;
        char *ptr;