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.

src/evolution_scene.c

@@ -82,7 +82,7 @@ static const u8 sText_ShedinjaJapaneseName[] = _("ヌケニン");
 // The below table is used by Task_UpdateBgPalette to control the speed at which the bg color updates.
 // The first two values are indexes into sBgAnim_PalIndexes (indirectly, via sBgAnimPal), and are
 // the start and end of the range of colors in sBgAnim_PalIndexes it will move through incrementally
-// before starting over. It will repeat this cycle x number of times, where x = the 3rd value, 
+// before starting over. It will repeat this cycle x number of times, where x = the 3rd value,
 // delaying each increment by y, where y = the 4th value.
 // Once it has cycled x number of times, it will move to the next array in this table.
 static const u8 sBgAnim_PaletteControl[][4] =