postgresqlPackages.pg_auto_failover: 1.6.3 -> 1.6.4 (#168611)

https://github.com/citusdata/pg_auto_failover/releases/tag/v1.6.4

pkgs/servers/sql/postgresql/ext/pg_auto_failover.nix

@@ -1,26 +1,16 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, postgresql, openssl, zlib, readline, libkrb5 }:
+{ lib, stdenv, fetchFromGitHub, postgresql, openssl, zlib, readline, libkrb5 }:
 
 stdenv.mkDerivation rec {
   pname = "pg_auto_failover";
-  version = "1.6.3";
+  version = "1.6.4";
 
   src = fetchFromGitHub {
     owner = "citusdata";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-hGpcHV4ai9mxaJ/u/o9LNFWPGsW22W7ak2pbvAUgmwU=";
+    sha256 = "sha256-MzMKVS86ymfRwZqTzJsdophRrIIPDp50Wpt7QkGA6Nc=";
   };
 
-  patches = [
-    # Pull upstream fix for ncurses-6.3 support:
-    #  https://github.com/citusdata/pg_auto_failover/pull/830
-    (fetchpatch {
-      name = "ncurses-6.3.patch";
-      url = "https://github.com/citusdata/pg_auto_failover/commit/fc92546965437a6d5f82ed9a6bdc8204a3bca725.patch";
-      sha256 = "sha256-t4DC/d/2s/Mc44rpFxBMOWGhACG0s5wAWyeDD7Mefo8=";
-    })
-  ];
-
   buildInputs = [ postgresql openssl zlib readline libkrb5 ];
 
   installPhase = ''