Dropped opendmarc-1.4-build-fix patch

It seems opendmarc-1.4 wasn't pushed to the buildroot yet.

Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>

exim-4.94.2-opendmarc-1.4-build-fix.patch

@@ -1,11 +0,0 @@
---- a/src/dmarc.c
-+++ b/src/dmarc.c
-@@ -446,7 +446,7 @@ if (!dmarc_abort && !sender_host_authenticated)
- 		  vs == PDKIM_VERIFY_INVALID ? DMARC_POLICY_DKIM_OUTCOME_TMPFAIL :
- 		  DMARC_POLICY_DKIM_OUTCOME_NONE;
-     libdm_status = opendmarc_policy_store_dkim(dmarc_pctx, US sig->domain,
--					       dkim_result, US"");
-+					       sig->selector, dkim_result, US"");
-     DEBUG(D_receive)
-       debug_printf("DMARC adding DKIM sender domain = %s\n", sig->domain);
-     if (libdm_status != DMARC_PARSE_OKAY)

exim.spec

@@ -46,8 +46,6 @@ Patch0: exim-4.94.2-config.patch
 Patch1: exim-4.94-libdir.patch
 Patch2: exim-4.94-dlopen-localscan.patch
 Patch3: exim-4.85-pic.patch
-# https://bugs.exim.org/show_bug.cgi?id=2728
-Patch4: exim-4.94.2-opendmarc-1.4-build-fix.patch
 
 Requires: /etc/pki/tls/certs /etc/pki/tls/private
 Requires: /etc/aliases
@@ -162,7 +160,6 @@ greylisting unconditional.
 %patch1 -p1 -b .libdir
 %patch2 -p1 -b .dl
 %patch3 -p1 -b .fpic
-%patch4 -p1 -b .opendmarc-1.4-build-fix
 
 cp src/EDITME Local/Makefile
 sed -i 's@^# LOOKUP_MODULE_DIR=.*@LOOKUP_MODULE_DIR=%{_libdir}/exim/%{version}-%{release}/lookups@' Local/Makefile