TST: remove docstring

Signed-off-by: Nathaniel Starkman <nstarman@users.noreply.github.com>

astropy/cosmology/parameter/_core.py

@@ -22,8 +22,6 @@
 
 @dataclass(frozen=True)
 class UnitField:
-    """The parameter unit."""
-
     def __get__(
         self, obj: Parameter | None, objcls: type[Parameter] | None
     ) -> u.Unit | None:
@@ -37,8 +35,6 @@ def __set__(self, obj: Parameter, value: Any) -> None:
 
 @dataclass(frozen=True)
 class FValidateField:
-    """Function to validate a potential value of this Parameter."""
-
     default: FValidateCallable | str = "default"
 
     def __get__(
@@ -109,13 +105,11 @@ class Parameter:
 
     # Units
     unit: UnitField = UnitField()  # noqa: RUF009
-    """The parameter unit."""
 
     equivalencies: u.Equivalency | Sequence[u.Equivalency] = field(default_factory=list)
     """Equivalencies used when initializing Parameter."""
 
     fvalidate: FValidateField = FValidateField(default="default")  # noqa: RUF009
-    """Function to validate (and convert) a potential value of this Parameter."""
 
     doc: str | None = None
     """Parameter description."""