Remove project pipeline_dir as it is redundant

cosmos/dbt/project.py

@@ -10,7 +10,6 @@
 class DbtProject:
     name: str
     root_dir: Path
-    pipeline_dir: Path | None = None
     models_dir: Path | None = None
     seeds_dir: Path | None = None
     snapshots_dir: Path | None = None
@@ -19,29 +18,30 @@ class DbtProject:
     _cosmos_created_profile_file: bool = False
 
     def __post_init__(self):
-        if self.pipeline_dir is None:
-            self.pipeline_dir = self.root_dir / self.name
         if self.models_dir is None:
-            self.models_dir = self.pipeline_dir / "models"
+            self.models_dir = self.dir / "models"
         if self.seeds_dir is None:
-            self.seeds_dir = self.pipeline_dir / "seeds"
+            self.seeds_dir = self.dir / "seeds"
         if self.snapshots_dir is None:
-            self.snapshots_dir = self.pipeline_dir / "snapshots"
+            self.snapshots_dir = self.dir / "snapshots"
         if self.profile_path is None:
-            self.profile_path = self.pipeline_dir / "profiles.yml"
+            self.profile_path = self.dir / "profiles.yml"
 
     @property
     def dir(self) -> Path:
+        """
+        Path to dbt pipeline, defined by self.root_dir and self.name.
+        """
         return self.root_dir / self.name
 
     def is_manifest_available(self) -> bool:
         """
-        Checks if the `dbt` project manifest is set and if the file exists.
+        Check if the `dbt` project manifest is set and if the file exists.
         """
         return self.manifest_path and Path(self.manifest_path).exists()
 
     def is_profile_yml_available(self) -> bool:
         """
-        Checks if the `dbt` profiles.yml file exists.
+        Check if the `dbt` profiles.yml file exists.
         """
         return Path(self.profile_path).exists()