Remove spurious blank lines

Author: AA-Turner

tests/test_builders/test_build_html_assets.py

@@ -150,5 +150,3 @@ def test_javscript_loading_method(app):
     assert '<script src="_static/normal.js"></script>' in content
     assert '<script async="async" src="_static/early.js"></script>' in content
     assert '<script defer="defer" src="_static/late.js"></script>' in content
-
-

tests/test_builders/test_build_html_code.py

@@ -44,7 +44,3 @@ def test_html_code_role(app):
     assert ('<div class="highlight-python notranslate">' +
             '<div class="highlight"><pre><span></span>' +
             common_content) in content
-
-
-
-

tests/test_domains/test_domain_py_pyobject.py

@@ -390,5 +390,3 @@ def test_pydecoratormethod_signature(app):
 
     assert 'deco' in domain.objects
     assert domain.objects['deco'] == ('index', 'deco', 'method', False)
-
-