Remove get_i3_wsname

Workspace-based choice was not really that useful, so removing to get
rid of jq dependency

src/libexec/saturnin-xuris

     mkusage "[-u|--uniq] [-a|--always-run] [-l|--limit N] [-c|--choose] [-C|--choice-cmd COMMAND]"
 }
 
-get_i3_wsname() {
-    #
-    # Get current workspace name
-    #
-    i3-msg -t get_workspaces \
-      | jq '.[] | {focused, name}' \
-      | grep -F -A 1 'focused": true' \
-      | grep name \
-      | cut -d\" -f4
-}
-
 enum_bins() {
     echo uzbl-browser
     echo vimb
     #
     # Decide what browser to use
     #
-    local context="$(hostname -s)/$(get_i3_wsname)"
+    local context="$(hostname -s)"
     debug -v context
     case "$context" in
         hugo/*)         echo vimb ;;