Fix RuntimeWarning

 'hissp.repl' found in sys.modules after import of package
 'hissp', but prior to execution of 'hissp.repl'; this may result in
 'unpredictable behaviour

Remove direct repl entry point. It is no longer required.

Use hissp's __main__.py instead.

src/hissp/repl.py

@@ -110,7 +110,3 @@ def main(__main__=None):
 
     repl.locals["_macro_"] = SimpleNamespace(**vars(hissp.macros._macro_))
     repl.interact()
-
-
-if __name__ == "__main__":
-    main()

tests/test_cmd.py

@@ -53,7 +53,7 @@ def test_i_file_args():
 
 
 def test_repl_read_exception():
-    out, err = cmd("python -m hissp.repl", ".#(operator..truediv 1 0)\n")
+    out, err = cmd("python -m hissp", ".#(operator..truediv 1 0)\n")
     assert ">>> # Compilation failed!\nTraceback (most recent call last):\n  F" in err
     assert "\nZeroDivisionError: division by zero" in err
     assert out.count("#> ") == 2