net-p2p/gtk-gnutella: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/3509

net-p2p/gtk-gnutella/files/gtk-gnutella-1.1.9-load-symbols.patch

@@ -1,31 +0,0 @@
-From 8645df4344f22228862efb3c212e6aa7ec2c6d45 Mon Sep 17 00:00:00 2001
-From: Raphael Manfredi <Raphael_Manfredi@pobox.com>
-Date: Tue, 29 Mar 2016 21:16:48 +0200
-Subject: [PATCH] symbols_load_from(): must release write lock after falling
- back to pre-computed.
-
----
- src/lib/symbols.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
-diff --git a/src/lib/symbols.c b/src/lib/symbols.c
-index 9b2e080..69796f6 100644
---- a/src/lib/symbols.c
-+++ b/src/lib/symbols.c
-@@ -1448,7 +1448,7 @@ symbols_load_from(symbols_t *st, const char *exe, const  char *lpath)
- 		}
- 
- 		if (st->garbage)
--			return;			/* Already went through the "done" part */
-+			goto unlock;		/* Already went through the "done" part */
- 
- 		/* FALL THROUGH */
- 	}
-@@ -1474,6 +1474,7 @@ symbols_load_from(symbols_t *st, const char *exe, const  char *lpath)
- 	if (!retried && !st->indirect && st->garbage)
- 		goto use_pre_computed;
- 
-+unlock:
- 	SYMBOLS_WRITE_UNLOCK(st);
- }
-