Fix emrun after recent python_selector change (emscripten-core#6844)

sbc100 · web-flow · commit 90642ee04863 · 2018-07-12T10:13:08.000-07:00
diff --git a/emrun b/emrun
@@ -6,4 +6,4 @@
 from tools import python_selector
 
 if __name__ == '__main__':
-  python_selector.run(__file__, main="main")
+  python_selector.run(__file__)
