Remove obsolete tests

tests/__init__.py

@@ -1,4 +1,3 @@
-from . import test_ed25519
 from . import test_address
 from . import test_numbers
 from . import test_seed

tests/test_ed25519.py

@@ -1,9 +0,0 @@
-import unittest
-from monero import ed25519
-
-
-class Ed25519TestCase(unittest.TestCase):
-    def test_comp_decomp(self):
-        pts = [(0, 0), (1, 1), (3, 5), (5, 3), (7, 11), (11, 7)]
-        for p in pts:
-            self.assertEqual(p, ed25519.compress(ed25519.decompress(p)))