Replace connectivity indicators by unicode chars

For Wifi and Ethernet.

Install/Templates/i3/status_bar

@@ -21,14 +21,14 @@ order += "load"
 order += "tztime local"
 
 wireless _first_ {
-        format_up = "W: (%quality at %essid) %ip"
+        format_up = "⌔ (%quality at %essid) %ip"
-        format_down = "W: ×"
+        format_down = "⌔×"
 }
 
 ethernet _first_ {
         # if you use %speed, i3status requires root privileges
-        format_up = "E: %ip (%speed)"
+        format_up = "⇵ %ip (%speed)"
-        format_down = "E: ×"
+        format_down = "⇵×"
 }
 
 battery all {