after merge fixes

applications/services/expansion/expansion.h

@@ -50,15 +50,6 @@ void expansion_enable(Expansion* instance);
  */
 void expansion_disable(Expansion* instance);
 
-/**
- * @brief Check if an expansion module is connected.
- *
- * @param[in,out] instance pointer to the Expansion instance.
- *
- * @returns true if the module is connected and initialized, false otherwise.
- */
-bool expansion_is_connected(Expansion* instance);
-
 /**
  * @brief Enable support for expansion modules on designated serial port.
  *