Remove blank lines from end of flies.

diffoscope/comparators/javascript.py

@@ -34,4 +34,3 @@ class JavaScriptFile(File):
 
     def compare_details(self, other, source=None):
         return [Difference.from_command(JavaScriptBeautify, self.path, other.path)]
-

diffoscope/comparators/openssh.py

@@ -36,4 +36,3 @@ class PublicKeyFile(File):
 
     def compare_details(self, other, source=None):
         return [Difference.from_command(SSHKeyList, self.path, other.path)]
-

tests/comparators/test_icc.py

@@ -56,4 +56,3 @@ def test_compare_non_existing(monkeypatch, icc1):
     difference = icc1.compare(MissingFile('/nonexisting', icc1))
     assert difference.source2 == '/nonexisting'
     assert len(difference.details) > 0
-