[gtk/ebassi/gidocgen] docs: Tweak Wayland section

[Matthias Clasen <matthiasc src gnome org>]

commit 70af9e6c9a47381ca3217d66e1f8d0222fef6aa1
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 20 00:20:46 2021 -0500

    docs: Tweak Wayland section
    
    Remove unsupported heading anchors.

 docs/reference/gtk/wayland.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/reference/gtk/wayland.md b/docs/reference/gtk/wayland.md
index f97bd10558..8b2d9f2155 100644
--- a/docs/reference/gtk/wayland.md
+++ b/docs/reference/gtk/wayland.md
@@ -8,7 +8,7 @@ the Wayland backend by setting `GDK_BACKEND=wayland`.
 On UNIX, the Wayland backend is enabled by default, so you don't need to
 do anything special when compiling it, and everything should "just work."
 
-## Wayland-specific environment variables {#wayland-envar}
+## Wayland-specific environment variables
 
 ### WAYLAND_DISPLAY