nginx: remove .upstream files

pkgs/servers/http/nginx/default.nix

@@ -7,18 +7,15 @@
 
 with stdenv.lib;
 
-let
+stdenv.mkDerivation rec {
+  name = "nginx-${version}";
   version = "1.10.0";
-  mainSrc = fetchurl {
+
+  src = fetchurl {
     url = "http://nginx.org/download/nginx-${version}.tar.gz";
     sha256 = "0kdyqa5xaxvhz6y75ixs05mzygk3kszzdq5h0gnlrg35vp1lgmlf";
   };
 
-in
-
-stdenv.mkDerivation rec {
-  name = "nginx-${version}";
-  src = mainSrc;
 
   buildInputs =
     [ openssl zlib pcre libxml2 libxslt gd geoip ]

pkgs/servers/http/nginx/default.upstream

@@ -1,8 +0,0 @@
-url http://nginx.org/en/download.html
-version_link '.*-([0-9]+[.][0-9]*[02468]([.][0-9]+)*)[.]tar[.][a-z0-9]*$' 
-
-do_overwrite() {
-  ensure_hash
-  set_var_value version "$CURRENT_VERSION"
-  set_var_value sha256 "$CURRENT_HASH"
-}

pkgs/servers/http/nginx/unstable.nix

@@ -7,19 +7,15 @@
 
 with stdenv.lib;
 
-let
+stdenv.mkDerivation rec {
+  name = "nginx-${version}";
   version = "1.9.14";
-  mainSrc = fetchurl {
+
+  src = fetchurl {
     url = "http://nginx.org/download/nginx-${version}.tar.gz";
     sha256 = "1ljpyigqb6sbm4f8mi4fyvwfcvfapzg4z35s9cwb9ri8dl3r6j1b";
   };
 
-in
-
-stdenv.mkDerivation rec {
-  name = "nginx-${version}";
-  src = mainSrc;
-
   buildInputs =
     [ openssl zlib pcre libxml2 libxslt gd geoip ]
     ++ concatMap (mod: mod.inputs or []) modules;

pkgs/servers/http/nginx/unstable.upstream

@@ -1,8 +0,0 @@
-url http://nginx.org/en/download.html
-version_link '.*-([0-9]+[.][0-9]+([.][0-9]+)*)[.]tar[.][a-z0-9]*$' 
-
-do_overwrite() {
-  ensure_hash
-  set_var_value version "$CURRENT_VERSION"
-  set_var_value sha256 "$CURRENT_HASH"
-}