As written in [1] the clamav-0.99.1-setsebool.patch

is pointless.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1449616#c1

clamav-0.99.1-setsebool.patch

@@ -1,15 +0,0 @@
-Patch by Robert Scheck <robert@fedoraproject.org> for clamav >= 0.99.1 which changes the SELinux
-boolean name from the obsolete (and former alias) clamd_use_jit to the current antivirus_use_jit.
-See also: https://bugzilla.redhat.com/show_bug.cgi?id=1295473
-
---- clamav-0.99.1/libclamav/builtin_bytecodes.h			2015-12-11 17:26:02.000000000 +0100
-+++ clamav-0.99.1/libclamav/builtin_bytecodes.h.setsebool	2016-03-29 23:32:03.000000000 +0200
-@@ -139,7 +139,7 @@
-         if (env.os_features & (1 << feature_selinux))
-           /* all SELinux versions deny RWX mapping when policy says so */
-           disable_jit_if("^SELinux is preventing 'execmem' access.\n"
--                         "Run  'setsebool -P clamd_use_jit on'.", 0, 1);
-+                         "Run 'setsebool -P antivirus_use_jit on'.", 0, 1);
-         else if (env.os_features & (1 << feature_pax))
-           /* recent versions of PaX deny RWX mapping */
-           disable_jit_if("^PaX is preventing 'mprotect' access.\n"

clamav.spec

@@ -116,7 +116,6 @@ Patch24:    clamav-0.99-private.patch
 Patch27:    clamav-0.100.0-umask.patch
 # https://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ExecutionEngine/JIT/Intercept.cpp?r1=128086&r2=137567
 Patch30:    llvm-glibc.patch
-Patch31:    clamav-0.99.1-setsebool.patch
 
 
 BuildRequires:  autoconf automake gettext-devel libtool libtool-ltdl-devel
@@ -354,7 +353,6 @@ Empty package just to allow migration of service without stop it and disable it
 %apply -n24 -p1 -b .private
 %apply -n27 -p1 -b .umask
 %apply -n30 -p1
-%apply -n31 -p1 -b .setsebool
 %{?apply_end}
 
 install -p -m0644 %SOURCE300 clamav-milter/