src/sage/rings/finite_rings/integer_mod_ring.py: Remove function depr…

…ecated in #32606 (2021)

src/sage/rings/finite_rings/integer_mod_ring.py

@@ -246,38 +246,6 @@ def create_object(self, version, order, **kwds):
 Zmod = Integers = IntegerModRing = IntegerModFactory("IntegerModRing")
 
 
-def is_IntegerModRing(x):
-    """
-    Return ``True`` if ``x`` is an integer modulo ring.
-
-    This function is deprecated.  Use :func:`isinstance` with
-    :class:`sage.rings.abc.IntegerModRing` instead.
-
-    EXAMPLES::
-
-        sage: from sage.rings.finite_rings.integer_mod_ring import is_IntegerModRing
-        sage: R = IntegerModRing(17)
-        sage: is_IntegerModRing(R)
-        doctest:warning...
-        DeprecationWarning: the function is_IntegerModRing is deprecated.
-        Use isinstance(..., sage.rings.abc.IntegerModRing) instead.
-        See https://github.com/sagemath/sage/issues/32606 for details.
-        True
-        sage: is_IntegerModRing(GF(13))
-        True
-        sage: is_IntegerModRing(GF(4, 'a'))                                             # needs sage.rings.finite_rings
-        False
-        sage: is_IntegerModRing(10)
-        False
-        sage: is_IntegerModRing(ZZ)
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(32606, "the function is_IntegerModRing is deprecated. "
-                "Use isinstance(..., sage.rings.abc.IntegerModRing) instead.")
-    return isinstance(x, IntegerModRing_generic)
-
-
 from sage.categories.commutative_rings import CommutativeRings
 from sage.categories.finite_enumerated_sets import FiniteEnumeratedSets
 from sage.categories.category import JoinCategory