src/sage/rings/complex_{mpc,mpfr}.pyx: Remove method aliases deprecated in #29412 (2020)

Author: Matthias Koeppe

src/sage/rings/complex_mpc.pyx

@@ -84,8 +84,6 @@ from .real_mpfr import mpfr_prec_min, mpfr_prec_max
 from sage.structure.richcmp cimport rich_to_bool, richcmp
 from sage.categories.fields import Fields
 
-from sage.misc.superseded import deprecated_function_alias
-
 cimport gmpy2
 gmpy2.import_gmpy2()
 
@@ -1949,8 +1947,6 @@ cdef class MPComplexNumber(sage.structure.element.FieldElement):
         """
         return ~(self.tan())
 
-    cotan = deprecated_function_alias(29412, cot)
-
     ################################
     # Other functions
     ################################

src/sage/rings/complex_mpfr.pyx

@@ -56,8 +56,6 @@ from sage.libs.gsl.complex cimport *
 from sage.libs.mpmath.utils cimport mpfr_to_mpfval
 from sage.rings.integer_ring import ZZ
 
-from sage.misc.superseded import deprecated_function_alias
-
 cimport gmpy2
 gmpy2.import_gmpy2()
 
@@ -2241,8 +2239,6 @@ cdef class ComplexNumber(sage.structure.element.FieldElement):
         """
         return ~(self.tan())
 
-    cotan = deprecated_function_alias(29412, cot)
-
     def cos(self):
         """
         Return the cosine of ``self``.