erlang: drop unnecessary autoconf

pkgs/development/interpreters/erlang/generic-builder.nix

@@ -12,7 +12,6 @@
   openssl,
   perl,
   runtimeShell,
-  autoconf,
   openjdk11 ? null, # javacSupport
   unixODBC ? null, # odbcSupport
   libGL ? null,
@@ -121,7 +120,6 @@ stdenv.mkDerivation (
     LANG = "C.UTF-8";
 
     nativeBuildInputs = [
-      autoconf
       makeWrapper
       perl
       gnum4
@@ -161,10 +159,6 @@ stdenv.mkDerivation (
           --replace-fail '"sh ' '"${runtimeShell} '
       '';
 
-    preConfigure = ''
-      ./otp_build autoconf
-    '';
-
     configureFlags =
       [ "--with-ssl=${lib.getOutput "out" opensslPackage}" ]
       ++ [ "--with-ssl-incl=${lib.getDev opensslPackage}" ] # This flag was introduced in R24

pkgs/top-level/beam-packages.nix

@@ -3,7 +3,6 @@
   beam,
   callPackage,
   wxGTK32,
-  buildPackages,
   stdenv,
   wxSupport ? true,
   systemd,
@@ -38,21 +37,18 @@ in
     erlang_27 = self.beamLib.callErlang ../development/interpreters/erlang/27.nix {
       wxGTK = wxGTK32;
       parallelBuild = true;
-      autoconf = buildPackages.autoconf269;
       inherit wxSupport systemdSupport;
     };
 
     erlang_26 = self.beamLib.callErlang ../development/interpreters/erlang/26.nix {
       wxGTK = wxGTK32;
       parallelBuild = true;
-      autoconf = buildPackages.autoconf269;
       inherit wxSupport systemdSupport;
     };
 
     erlang_25 = self.beamLib.callErlang ../development/interpreters/erlang/25.nix {
       wxGTK = wxGTK32;
       parallelBuild = true;
-      autoconf = buildPackages.autoconf269;
       inherit wxSupport systemdSupport;
     };