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

src/server/scripts/Events/love_in_air.cpp

@@ -496,4 +496,3 @@ void AddSC_event_love_in_the_air()
     RegisterSpellScript(spell_love_is_in_the_air_romantic_picnic);
     RegisterSpellScript(spell_gen_aura_service_uniform);
 }
-

src/server/scripts/Events/midsummer.cpp

@@ -1308,4 +1308,3 @@ void AddSC_event_midsummer_scripts()
     RegisterSpellScript(spell_midsummer_torch_catch);
     RegisterSpellScript(spell_midsummer_summon_ahune_lieutenant);
 }
-

src/server/scripts/Events/pilgrims_bounty.cpp

@@ -683,4 +683,3 @@ void AddSC_event_pilgrims_end_scripts()
     new achievement_pb_pilgrims_peril();
     new achievement_pb_terokkar_turkey_time();
 }
-

src/server/scripts/Events/winter_veil.cpp

@@ -266,4 +266,3 @@ void AddSC_event_winter_veil_scripts()
     RegisterSpellScript(spell_winter_veil_racer_slam_hit);
     RegisterSpellScript(spell_winter_veil_shoot_air_rifle);
 }
-