Disable OpenSSL module in HTML5 platform by default

platform/javascript/detect.py

@@ -28,6 +28,11 @@ def get_flags():
     return [
         ('tools', False),
         ('module_theora_enabled', False),
+        # Disabling the OpenSSL module noticeably reduces file size.
+        # The module has little use due to the limited networking functionality
+        # in this platform. For the available networking methods, the browser
+        # manages TLS.
+        ('module_openssl_enabled', False),
     ]