Removed flatpak-kill shell function, similar functionality was implemented by the flatpak CLI.

.bashrc

@@ -223,21 +223,6 @@ match_ssl_pair () {
     return "$exitcode"
 }
 
-flatpak-kill () {
-    if [ "$#" -lt 1 ]
-    then
-        echo "You must specify application name." >> /dev/stderr
-        false
-    else
-        name="$1"
-        shift
-        for pid in $(flatpak ps --columns=application,pid | awk "tolower(\$2) ~ /$name/ {print \$3}")
-        do
-            pkill "$@" "$pid"
-        done
-    fi
-}
-
 __run_duration () {
     if [ -f "$HOME/.prerun.$$" ]
     then