src/sage/tests/all.py: Remove deprecated imports

Author: Matthias Koeppe

src/sage/tests/all.py

@@ -1,24 +1,2 @@
 """
-TESTS:
-
-Test the deprecation warnings::
-
-    sage: tests.CompleteMatchings
-    doctest:warning
-    ...
-    DeprecationWarning:
-    Importing CompleteMatchings from here is deprecated. If you need to use it, please import it directly from sage.tests.arxiv_0812_2725
-    See https://trac.sagemath.org/27337 for details.
-    <function CompleteMatchings at ...>
-    sage: tests.modsym
-    doctest:warning
-    ...
-    DeprecationWarning:
-    Importing modsym from here is deprecated. If you need to use it, please import it directly from sage.modular.modsym.tests
-    See https://trac.sagemath.org/27337 for details.
-    <class ...sage.modular.modsym.tests.Test...>
 """
-
-from sage.misc.lazy_import import lazy_import
-lazy_import('sage.modular.modsym.tests', 'Test', as_='modsym', deprecation=27337)
-lazy_import('sage.tests.arxiv_0812_2725', '*', deprecation=27337)