Max OOC name limited, unnecessary variable removed.

courtroom.cpp

@@ -111,6 +111,7 @@ Courtroom::Courtroom(AOApplication *p_ao_app) : QMainWindow()
   ui_ooc_chat_name = new QLineEdit(this);
   ui_ooc_chat_name->setFrame(false);
   ui_ooc_chat_name->setPlaceholderText("Name");
+  ui_ooc_chat_name->setMaxLength(30);
 
   ui_ooc_chat_name->setText(p_ao_app->get_default_username());
 

courtroom.h

@@ -164,8 +164,6 @@ private:
   // A stack of inline colours.
   std::stack<INLINE_COLOURS> inline_colour_stack;
 
-  bool centre_text = false;
-
   bool next_character_is_not_special = false; // If true, write the
                         // next character as it is.