Eliminate superficial whitespaces in ssh plugin

plugins/ssh/README.md

-## ssh conservative $TERM value helper 
+## ssh conservative $TERM value helper
 
 Due to inconsistency of 256 color terminal support across
-terminal applications, it may be desirable to force the 
+terminal applications, it may be desirable to force the
 $TERM value to it's -256color variant.
 
 For example, this is often accomplished in tmux by means
-of adding the following to a tmux.conf file: 
+of adding the following to a tmux.conf file:
 
     set -g default-terminal "screen-256color"
 
-Unfortunately, remote hosts accessed via ssh may not have 
+Unfortunately, remote hosts accessed via ssh may not have
 the requisite terminfo files, and may not even allow the
 user to supply them, as is often the case with network
 equipment and other appliances accessible via ssh.
 
-This helper strips the -256color suffix and exports a 
+This helper strips the -256color suffix and exports a
 regular 'screen' or 'xterm' $TERM value when setting up
 a ssh connection.
 

plugins/ssh/ssh.fish

 function ssh --description 'OpenSSH SSH client (remote login program) with a conservative $TERM value'
   switch $TERM
-    case screen-256color 
+    case screen-256color
         set -lx TERM screen
         command ssh $argv
     case xterm-256color
         set -lx TERM xterm
         command ssh $argv
-    case '*' 
+    case '*'
       command ssh $argv
     end
 end