[education/kstars/stable-3.7.2] doc: Remove extra colon

Git commit 2a9083cf143052f3bbe8abc95550343ffc913a34 by Jasem Mutlaq, on behalf of Yuri Chornoivan.
Committed on 08/08/2024 at 10:03.
Pushed by mutlaqja into branch 'stable-3.7.2'.

Remove extra colon

M  +1    -1    doc/ekos-focus.docbook

https://invent.kde.org/education/kstars/-/commit/2a9083cf143052f3bbe8abc95550343ffc913a34

diff --git a/doc/ekos-focus.docbook b/doc/ekos-focus.docbook
index 8d5771c87a..9079c564c2 100644
--- a/doc/ekos-focus.docbook
+++ b/doc/ekos-focus.docbook
@@ -1604,7 +1604,7 @@
     </listitem>
 
     <listitem>
-    <para> <emphasis role="bold">Fine Adjustment (with Autofocus)</emphasis>: : This function is designed to provide fine
+    <para> <emphasis role="bold">Fine Adjustment (with Autofocus)</emphasis>: This function is designed to provide fine
     adjustment to the start position, Step Size and AF Overscan (or backlash) fields. Fine Adjustment runs Autofocus
     including curve fitting and analyses the result to determine whether or not it can be improved. If so, it adjusts
     parameters and re-runs. An iterative process is used to home in on parameter values.</para>