Don't repeat direction keys in config

I really didn't want to have to repeat the direction keys again for
resize mode, and this makes it easier to change all of the relevant
keybindings if you don't like the defaults (or prefer i3's).

config

@@ -8,6 +8,11 @@
 #
 # Logo key. Use Mod1 for Alt.
 set $mod Mod4
+# Home row direction keys, like vim
+set $left h
+set $down j
+set $up k
+set $right l
 # Your preferred terminal emulator
 set $term urxvt
 # Your preferred application launcher
@@ -52,11 +57,11 @@ output * bg /usr/share/sway/Sway_Wallpaper_Blue_1920x1080.png fill
 #
 # Moving around:
 #
-    # Move your focus around with $mod+[h|j|k|l], like vim
+    # Move your focus around
-    bindsym $mod+h focus left
+    bindsym $mod+$left focus left
-    bindsym $mod+j focus down
+    bindsym $mod+$down focus down
-    bindsym $mod+k focus up
+    bindsym $mod+$up focus up
-    bindsym $mod+l focus right
+    bindsym $mod+$right focus right
     # or use $mod+[up|down|left|right]
     bindsym $mod+Left focus left
     bindsym $mod+Down focus down
@@ -64,10 +69,10 @@ output * bg /usr/share/sway/Sway_Wallpaper_Blue_1920x1080.png fill
     bindsym $mod+Right focus right
 
     # _move_ the focused window with the same, but add Shift
-    bindsym $mod+Shift+h move left
+    bindsym $mod+Shift+$left move left
-    bindsym $mod+Shift+j move down
+    bindsym $mod+Shift+$down move down
-    bindsym $mod+Shift+k move up
+    bindsym $mod+Shift+$up move up
-    bindsym $mod+Shift+l move right
+    bindsym $mod+Shift+$right move right
     # ditto, with arrow keys
     bindsym $mod+Shift+Left move left
     bindsym $mod+Shift+Down move down