Keep forever deprecated aliases for mpc/mpf_log()

mpmath/libmp/libelefun.py

@@ -737,10 +737,7 @@ def mpf_ln(x, prec, rnd=round_fast):
         m -= n*ln2_fixed(wp)
     return from_man_exp(m, -wp, prec, rnd)
 
-def mpf_log(x, prec, rnd=round_fast):
-    warnings.warn("mpf_log is deprecated, use mpf_ln",
-                  DeprecationWarning)
-    return mpf_ln(x, prec, rnd)
+mpf_log = mpf_ln  # deprecated alias
 
 def mpf_log1p(x, prec, rnd=round_fast):
     """

mpmath/libmp/libmpc.py

@@ -3,7 +3,6 @@ Low-level functions for complex arithmetic.
 """
 
 import sys
-import warnings
 
 from .backend import MPZ
 from .libelefun import (mpf_acos, mpf_acosh, mpf_asin, mpf_atan, mpf_atan2,
@@ -436,10 +435,7 @@ def mpc_ln(z, prec, rnd=round_fast):
     im = mpc_arg(z, prec, rnd)
     return re, im
 
-def mpc_log(x, prec, rnd=round_fast):
-    warnings.warn("mpc_log is deprecated, use mpc_ln",
-                  DeprecationWarning)
-    return mpc_ln(x, prec, rnd)
+mpc_log = mpc_ln  # deprecated alias
 
 def mpc_cos(z, prec, rnd=round_fast):
     """Complex cosine. The formula used is cos(a+bi) = cos(a)*cosh(b) -

mpmath/tests/test_basic_ops.py

@@ -707,13 +707,6 @@ def test_issue_985():
     assert mpc(-1) in {1, -1}
 
 
-def test_mpfmpc_log_deprecation():
-    with pytest.deprecated_call():
-        mpmath.libmp.mpf_log(mpf(123)._mpf_, 53)
-    with pytest.deprecated_call():
-        mpmath.libmp.mpc_log(mpc(123)._mpc_, 53)
-
-
 def test_issue_975():
     def worker():
         mp = mpmath.MPContext()