refactor: improve code readability and remove unnecessary comments

The commit message summarizes the changes made to the code. In this case, the code has been refactored to improve its readability and remove unnecessary comments.

lgsm/modules/command_update_linuxgsm.sh

@@ -68,7 +68,7 @@ fi
 # Check gameserver.sh
 # Compare gameserver.sh against linuxgsm.sh in the tmp dir.
 # Ignoring server specific vars.
-echo -en "${dim}checking ${selfname} ...\c${default}"
+echo -en "checking ${selfname}...\c"
 fn_script_log_info "Checking ${selfname}"
 script_diff=$(diff <(sed '\/shortname/d;\/gameservername/d;\/gamename/d;\/githubuser/d;\/githubrepo/d;\/githubbranch/d' "${tmpdir}/linuxgsm.sh") <(sed '\/shortname/d;\/gameservername/d;\/gamename/d;\/githubuser/d;\/githubrepo/d;\/githubbranch/d' "${rootdir}/${selfname}"))
 if [ "${script_diff}" != "" ]; then