docs: Remove empty overrides file

It's empty and unused, and gtk-doc will create it for us.

diff --git a/docs/atk-overrides.txt b/docs/atk-overrides.txt
deleted file mode 100644 (file)
index 4c88408..0000000
--- a/docs/atk-overrides.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-# These are manually-edited to override or add declarations to those scanned
-# from the header files.
-