[gtksourceview] Adwaita.xml: remove c:operator

[Christian Hergert <chergert src gnome org>]

commit a2c8a318449b024095322369ba5d1987a655b1b0
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jan 24 13:31:57 2022 -0800

    Adwaita.xml: remove c:operator
    
    This should have been removed but wasn't.

 data/styles/Adwaita.xml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/styles/Adwaita.xml b/data/styles/Adwaita.xml
index 3217d8c6..cbb3bc54 100644
--- a/data/styles/Adwaita.xml
+++ b/data/styles/Adwaita.xml
@@ -133,7 +133,6 @@
   <style name="c-sharp:preprocessor"       foreground="dark_2"/>
 
   <!-- C -->
-  <style name="c:operator"                 foreground="orange_5" bold="false"/>
   <style name="c:printf"                   foreground="violet_4"/>
   <style name="c:signal-name"              foreground="red_4"/>
   <style name="c:storage-class"            foreground="teal_5" bold="true"/>