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/pokenav_region_map.c

@@ -79,7 +79,7 @@ static const u32 sRegionMapCityZoomTiles_Gfx[] = INCBIN_U32("graphics/pokenav/zo
 
 #include "data/region_map/city_map_tilemaps.h"
 
-static const struct BgTemplate sRegionMapBgTemplates[3] = 
+static const struct BgTemplate sRegionMapBgTemplates[3] =
 {
     {
         .bg = 1,
@@ -110,7 +110,7 @@ static const struct BgTemplate sRegionMapBgTemplates[3] =
     },
 };
 
-static const LoopedTask sRegionMapLoopTaskFuncs[] = 
+static const LoopedTask sRegionMapLoopTaskFuncs[] =
 {
     [POKENAV_MAP_FUNC_NONE]         = NULL,
     [POKENAV_MAP_FUNC_CURSOR_MOVED] = LoopedTask_UpdateInfoAfterCursorMove,
@@ -119,18 +119,18 @@ static const LoopedTask sRegionMapLoopTaskFuncs[] =
     [POKENAV_MAP_FUNC_EXIT]         = LoopedTask_ExitRegionMap
 };
 
-static const struct CompressedSpriteSheet sCityZoomTextSpriteSheet[1] = 
+static const struct CompressedSpriteSheet sCityZoomTextSpriteSheet[1] =
 {
     {gRegionMapCityZoomText_Gfx, 0x800, 6}
 };
 
-static const struct SpritePalette sCityZoomTilesSpritePalette[] = 
+static const struct SpritePalette sCityZoomTilesSpritePalette[] =
 {
     {gRegionMapCityZoomTiles_Pal, 11},
     {}
 };
 
-static const struct WindowTemplate sMapSecInfoWindowTemplate = 
+static const struct WindowTemplate sMapSecInfoWindowTemplate =
 {
     .bg = 1,
     .tilemapLeft = 17,
@@ -143,7 +143,7 @@ static const struct WindowTemplate sMapSecInfoWindowTemplate =
 
 #include "data/region_map/city_map_entries.h"
 
-const struct OamData sCityZoomTextSprite_OamData = 
+const struct OamData sCityZoomTextSprite_OamData =
 {
     .y = 0,
     .affineMode = ST_OAM_AFFINE_OFF,
@@ -592,7 +592,7 @@ static void Task_ChangeBgYForZoom(u8 taskId)
             ChangeBgY(1, 0, 0);
             DestroyTask(taskId);
         }
-        
+
         UpdateCityZoomTextPosition();
     }
     else