mistral-vibe: cleanup (#539650)

pkgs/by-name/mi/mistral-vibe/package.nix

@@ -1,7 +1,7 @@
 {
   lib,
   stdenv,
-  python3,
+  python3Packages,
   fetchFromGitHub,
 
   # tests
@@ -11,33 +11,6 @@
   writableTmpDirAsHomeHook,
 }:
 
-let
-  python = python3.override {
-    packageOverrides = _final: prev: {
-      # Many tests fail with the current version of opentelemetry we have in nixpkgs
-      # vibe.acp.exceptions.InternalError: module '...' has no attribute 'GEN_AI_PROVIDER_NAME'
-      opentelemetry-api = prev.opentelemetry-api.overridePythonAttrs (old: rec {
-        version = "1.40.0";
-        src = old.src.override {
-          tag = "v${version}";
-          hash = "sha256-1KVy9s+zjlB4w7E45PMCWRxPus24bgBmmM3k2R9d+Jg=";
-        };
-      });
-      opentelemetry-exporter-otlp-proto-http =
-        prev.opentelemetry-exporter-otlp-proto-http.overridePythonAttrs
-          (old: {
-            disabledTests =
-              (old.disabledTests or [ ])
-              ++ lib.optionals stdenv.hostPlatform.isDarwin [
-                # AssertionError: False is not true
-                # self.assertTrue(0.75 < after - before < 1.25)
-                "test_retry_timeout"
-              ];
-          });
-    };
-  };
-  python3Packages = python.pkgs;
-in
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "mistral-vibe";
   version = "2.19.0";