oha: drop

It has been added to nixpkgs.

default.nix

@@ -37,8 +37,6 @@ in
 
   nsz = callPythonPackage ./nsz { };
 
-  oha = callPackage ./oha { };
-
   playgsf = callPackage ./playgsf { };
 
   snownews = callPackage ./snownews { };

flake.nix

@@ -55,7 +55,6 @@
             hcloud_exporter
             netstick
             nsz
-            oha
             playgsf
             snownews
             textidote

oha/default.nix

@@ -1,28 +0,0 @@
-{ lib, rustPlatform, fetchFromGitHub, openssl, pkg-config }:
-
-rustPlatform.buildRustPackage rec {
-  pname = "oha";
-  version = "0.4.5";
-
-  src = fetchFromGitHub {
-    owner = "hatoo";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "0grq9qk34i1k1nmw77d0f19qxq5f4hqax7x1pjrqmq972ix194wr";
-  };
-
-  cargoSha256 = "14cc4hzg755brmr657mbmiqwbf26sn252vn4cywp0zs6y63mmxfw";
-
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ openssl ];
-
-  doCheck = false; # tests require network
-
-  meta = with lib; {
-    description = "HTTP load generator, inspired by rakyll/hey with tui animation";
-    homepage = "https://github.com/hatoo/oha";
-    license = with licenses; [ mit ];
-    maintainers = with maintainers; [ sbruder ];
-    platforms = platforms.unix;
-  };
-}