lftp: remove patch that has been merged.

srcpkgs/lftp/patches/libressl.patch

@@ -1,22 +0,0 @@
---- m4/ssl.m4.orig	2014-09-09 21:46:51.073104613 +0200
-+++ m4/ssl.m4	2014-09-09 21:47:09.448104838 +0200
-@@ -16,7 +16,7 @@
- 		AC_TRY_LINK(
- 			[#include <openssl/ssl.h>
- 			 #include <openssl/rand.h>],
--			[static SSL_CTX *ctx; SSL_new(ctx); RAND_status(); RAND_egd("file")],
-+			[static SSL_CTX *ctx; SSL_new(ctx); RAND_status();],
- 			[found_loc="$loc"])
- 		LIBS="$old_LIBS"
- 		LDFLAGS="$old_LDFLAGS"
---- src/lftp_ssl.cc.orig	2014-09-09 21:52:42.747108921 +0200
-+++ src/lftp_ssl.cc	2014-09-09 21:54:39.347110350 +0200
-@@ -762,8 +762,6 @@
- #endif
- 
-    RAND_file_name(file,sizeof(file));
--   if(RAND_egd(file)>0)
--      return;
- 
-    if(RAND_load_file(file,-1) && RAND_status()!=0)
-       atexit(lftp_ssl_write_rnd);