fix(Server): remove double blank lines at the end of several files (#19735)

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter1.cpp

@@ -1257,4 +1257,3 @@ void AddSC_the_scarlet_enclave_c1()
 
     RegisterSpellScript(spell_death_knight_initiate_visual);
 }
-

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter3.cpp

@@ -39,4 +39,3 @@ void AddSC_the_scarlet_enclave_c3()
 {
     RegisterSpellScript(spell_q12779_an_end_to_all_things);
 }
-

src/server/scripts/EasternKingdoms/ScarletEnclave/chapter5.cpp

@@ -1249,4 +1249,3 @@ void AddSC_the_scarlet_enclave_c5()
     new spell_chapter5_light_of_dawn_aura();
     new spell_chapter5_rebuke();
 }
-