"Synth intro" prc event, remove redundant bre prc events (#876)

_ark/dx/locale/dx_locale_updates.dta

@@ -4657,7 +4657,6 @@
 (alt_verse_4d "Alt verse 4d")
 (big_jazz_ending "Big Jazz Ending!")
 (big_metal_ending "Big Metal Ending!")
-(big_rock_ending "Big Rock Ending!")
 (biggest_riff "Biggest riff")
 (biggest_riff_1 "Biggest riff 1")
 (biggest_riff_1a "Biggest riff 1a")
@@ -5281,6 +5280,11 @@
 (solo_vocals_2 "Vocal solo 2")
 (solo_vocals_3 "Vocal solo 3")
 (solo_vocals_4 "Vocal solo 4")
+(synth_intro "Synth intro")
+(synth_intro_a "Synth intro a")
+(synth_intro_b "Synth intro b")
+(synth_intro_c "Synth intro c")
+(synth_intro_d "Synth intro d")
 (victory_solo "Victory solo")
 (victory_solo_1 "Victory solo 1")
 (victory_solo_1a "Victory solo 1a")
@@ -5532,7 +5536,6 @@
 (prc_biggest_riff_d "Biggest riff d")
 (prc_bje "Big Jazz Ending!")
 (prc_bme "Big Metal Ending!")
-(prc_bre "Big Rock Ending!")
 (prc_build "Build")
 (prc_build_1 "Build 1")
 (prc_build_1a "Build 1a")
@@ -6128,6 +6131,11 @@
 (prc_solo_vocals_2 "Vocal solo 2")
 (prc_solo_vocals_3 "Vocal solo 3")
 (prc_solo_vocals_4 "Vocal solo 4")
+(prc_synth_intro "Synth intro")
+(prc_synth_intro_a "Synth intro a")
+(prc_synth_intro_b "Synth intro b")
+(prc_synth_intro_c "Synth intro c")
+(prc_synth_intro_d "Synth intro d")
 (prc_victory_solo "Victory solo")
 (prc_victory_solo_1 "Victory solo 1")
 (prc_victory_solo_1a "Victory solo 1a")