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/field_player_avatar.c

@@ -1687,7 +1687,7 @@ static bool8 (*const sFishingStateFuncs[])(struct Task *) =
 {
     Fishing_Init,
     Fishing_GetRodOut,
-    Fishing_WaitBeforeDots, 
+    Fishing_WaitBeforeDots,
     Fishing_InitDots,       // FISHING_START_ROUND
     Fishing_ShowDots,
     Fishing_CheckForBite,
@@ -1729,13 +1729,13 @@ static bool8 Fishing_GetRodOut(struct Task *task)
 {
     struct ObjectEvent *playerObjEvent;
     const s16 minRounds1[] = {
-        [OLD_ROD]   = 1, 
-        [GOOD_ROD]  = 1, 
+        [OLD_ROD]   = 1,
+        [GOOD_ROD]  = 1,
         [SUPER_ROD] = 1
     };
     const s16 minRounds2[] = {
-        [OLD_ROD]   = 1, 
-        [GOOD_ROD]  = 3, 
+        [OLD_ROD]   = 1,
+        [GOOD_ROD]  = 3,
         [SUPER_ROD] = 6
     };
 
@@ -1865,8 +1865,8 @@ static bool8 Fishing_GotBite(struct Task *task)
 static bool8 Fishing_WaitForA(struct Task *task)
 {
     const s16 reelTimeouts[3] = {
-        [OLD_ROD]   = 36, 
-        [GOOD_ROD]  = 33, 
+        [OLD_ROD]   = 36,
+        [GOOD_ROD]  = 33,
         [SUPER_ROD] = 30
     };
 
@@ -2100,7 +2100,7 @@ static void Task_DoPlayerSpinExit(u8 taskId)
             tState++;
         case 1: // Spin while rising
             TrySpinPlayerForWarp(object, &tSpinDelayTimer);
-            
+
             // Rise and accelerate
             tCurY -= tSpeed;
             tSpeed += 3;