[office/tellico] doc: Remove duplicate section and correct current image cache size

[Robby Stephenson]

Git commit 8e6b9df946c912bc5f9e704a15a4a4ebf2cc4ba7 by Robby Stephenson.
Committed on 25/12/2025 at 02:01.
Pushed by rstephenson into branch 'master'.

Remove duplicate section and correct current image cache size

M  +1    -8    doc/hacking.docbook

https://invent.kde.org/office/tellico/-/commit/8e6b9df946c912bc5f9e704a15a4a4ebf2cc4ba7

diff --git a/doc/hacking.docbook b/doc/hacking.docbook
index dce6e12c6..222126886 100644
--- a/doc/hacking.docbook
+++ b/doc/hacking.docbook
@@ -312,18 +312,11 @@ The maximum numbers of icons cached in memory may be changed with this setting.
 </informalexample>
 </sect3>
 
-<sect3>
-<title>Example</title>
-<informalexample>
-<para><userinput>Max Icon Size=128</userinput></para>
-</informalexample>
-</sect3>
-
 <sect3>
 <title>Image Cache Size</title>
 
 <para>
-The maximum amount of memory in bytes used for caching all the images may be changed with this setting. The default value is 67108864.
+The maximum amount of memory in bytes used for caching all the images may be changed with this setting. The default value is 512 MiB.
 </para>
 </sect3>