remove unnecessary decorator dependency

elementary/utils/env_vars_context.py

@@ -1,8 +1,7 @@
 import os
+from contextlib import contextmanager
 from typing import Dict, Generator, Optional
 
-from decorator import contextmanager
-
 
 @contextmanager
 def env_vars_context(env_vars: Optional[Dict[str, str]]) -> Generator[None, None, None]:

pyproject.toml

@@ -15,7 +15,6 @@ packages = [{include = "elementary"}]
 [tool.poetry.dependencies]
 python = ">=3.8,<4"
 click = ">=7.0,<9.0"
-decorator = ">=5.1.1"
 pyfiglet = "<1.0.0"
 dbt-core = ">=0.20,<2.0.0"
 requests = ">=2.28.1,<3.0.0"