docker: remove software-properties-common, obsolete in Trixie

Signed-off-by: Denys Fedoryshchenko <[email protected]>

Author: nuclearcat

config/docker/base/clang.jinja2

@@ -3,7 +3,6 @@
 {%- block packages %}
 {{ super() }}
 RUN apt-get update && apt-get install --no-install-recommends -y \
-    software-properties-common \
     gnupg2
 
 RUN apt-get update && apt-get install --no-install-recommends -y \