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.

include/constants/lilycove_lady.h

@@ -10,7 +10,7 @@
 #define LILYCOVE_LADY_STATE_COMPLETED   1
 #define LILYCOVE_LADY_STATE_PRIZE       2
 
-#define LILYCOVE_LADY_GIFT_THRESHOLD    5  
+#define LILYCOVE_LADY_GIFT_THRESHOLD    5
 
 #define QUIZ_AUTHOR_PLAYER           0
 #define QUIZ_AUTHOR_OTHER_PLAYER     1
@@ -20,7 +20,7 @@
 #define QUIZ_AUTHOR_NAME_LADY            0
 #define QUIZ_AUTHOR_NAME_PLAYER          1
 #define QUIZ_AUTHOR_NAME_OTHER_PLAYER    2
-   
+
 #define QUIZ_QUESTION_LEN 9
 
 // Constants for how many good Pokéblocks the Contest Lady was given