Resolves: #1947920 Fixing build failures

thunderbird.spec

@@ -268,13 +268,6 @@ Patch515:        mozilla-bmo1626236.patch
 Patch516:        D87019-thin-vec-big-endian.diff
 
 
-# CentOS patches
-%if 0%{?centos}
-Patch10000:      Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
-Patch10001:      Bug-1526653---fix_user_vfp_armv7.patch
-%endif
-
-
 %if %{?system_nss}
 %if !0%{?bundle_nss}
 BuildRequires:  pkgconfig(nspr) >= %{nspr_version}
@@ -521,11 +514,6 @@ echo "use_bundled_yasm      %{?use_bundled_yasm}"
 %patch1006 -p1 -b .D89554-autoconf1.diff
 %patch1007 -p1 -b .D94538-autoconf2.diff
 
-# CentOS patches
-%if 0%{?centos}
-%patch10000 -p1 -b .mozilla-1238661
-%patch10001 -p1 -b .mozilla-1526653
-%endif
 
 %{__rm} -f .mozconfig
 %{__cp} %{SOURCE10} .mozconfig