modules/network.cpp: Remove repeated "the"

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>

src/modules/network.cpp

@@ -98,7 +98,7 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
   // Start with some "text" in the module's label_. update() will then
   // update it. Since the text should be different, update() will be able
   // to show or hide the event_box_. This is to work around the case where
-  // the module start with no text, but the the event_box_ is shown.
+  // the module start with no text, but the event_box_ is shown.
   label_.set_markup("<s></s>");
 
   auto bandwidth = readBandwidthUsage();