Update translation files (#3887)

Co-authored-by: ButterflyOfFire <boffire@users.noreply.hosted.weblate.org>
Co-authored-by: Dan <denqwerta@gmail.com>
Co-authored-by: Felipe Nogueira <contato.fnog@gmail.com>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Luna Jernberg <droidbittin@gmail.com>
Co-authored-by: Massimo Pissarello <mapi68@gmail.com>
Co-authored-by: Milo Ivir <mail@milotype.de>
Co-authored-by: Ondřej Mach <machondra2003@gmail.com>
Co-authored-by: Oğuz Ersen <oguz@ersen.moe>
Co-authored-by: Simona Iacob <s@zp1.net>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: gallegonovato <fran-carro@hotmail.es>
Co-authored-by: i3sey <deniskedrovsky@mail.ru>
Co-authored-by: tygyh <jonis9898@hotmail.com>
Co-authored-by: yangyangdaji <1504305527@qq.com>

translations/about.ar.xlf

@@ -6,10 +6,6 @@
         <source>help</source>
         <target>مساعدة</target>
       </trans-unit>
-      <trans-unit id="A0nWoXZ" resname="special_thanks">
-        <source>special_thanks</source>
-        <target>شكر خاص يذهب الى…</target>
-      </trans-unit>
       <trans-unit id="mz4ieCN" resname="donate">
         <source>donate</source>
         <target>تبرع لمستقبل KIMAI</target>
@@ -22,10 +18,6 @@
         <source>support</source>
         <target>الدعم</target>
       </trans-unit>
-      <trans-unit id="DwbowBh" resname="published_under">
-        <source>published_under</source>
-        <target>تم نشره حسب %kimai%</target>
-      </trans-unit>
       <trans-unit id="L7cff3Q" resname="library_authors">
         <source>library_authors</source>
         <target>… مؤلفو مكتبات البرامج الحالية ،، لم يكون kimai قادراً على إكمالها بدونك 👍</target>