Removed trailing spaces in the most relevant files

Command used for the job:
egrep -rl ' $' --include *.c --include *.h --include  *.s --include  *.inc --include  *.txt *  | xargs sed -i 's/\s\+$//g'

Credits to Grant Murphy from Stack Overflow.

data/maps/Route104/scripts.inc

@@ -1,4 +1,4 @@
-@ NOTE: Route 104's sail to Dewford script references local IDs from Dewford's map. 
+@ NOTE: Route 104's sail to Dewford script references local IDs from Dewford's map.
 @  These are labeled in DewfordTown/scripts.inc
 .set LOCALID_RIVAL, 34