Revert "Audio: Make cheap OpenAL pitch shifting a config option"

Making this an option makes no sense. It ought to
be the default behavior, as RMXP pitch shifts PCM
based audio files the exact same way.

This reverts commit ac35d4214e.

README.md

@@ -82,8 +82,6 @@ mkxp reads configuration data from the file "mkxp.conf" contained in the current
 | defScreenH       | int         | 480     | Height the game window starts in                                                |
 | fixedFramerate   | int         | 0       | FPS will be fixed to this amount. Ignored if 0.                                 |
 | solidFonts       | bool        | false   | Don't use alpha blending for fonts                                              |
-| fastSoundPitch   | bool        | true    | Use cheap OpenAL pitch shifting for sounds (SE)                                 |
-| fastMusicPitch   | bool        | false   | Use cheap OpenAL pitch shifting for music (BGM/BGS/ME)                          |
 | gameFolder       | string      | "."     | mkxp will look for all game related files here                                  |
 | allowSymlinks    | bool        | false   | Allow symlinks to be followed in the game folder.                               |
 | customScript     | string      | ""      | Execute a raw ruby script file instead of an RPG Maker game.                    |

src/audio.cpp

@@ -26,7 +26,6 @@
 #include "intrulist.h"
 #include "filesystem.h"
 #include "exception.h"
-#include "config.h"
 #include "al-util.h"
 
 #include <QByteArray>
@@ -301,7 +300,6 @@ struct SoundEmitter
 		AL::Source::setVolume(src, _volume);
 
 #ifndef RUBBERBAND
-		if (shState->config().fastSoundPitch)
 		AL::Source::setPitch(src, clamp<int>(pitch, 50, 150) / 100.f);
 #endif
 
@@ -763,7 +761,6 @@ private:
 		needsRewind = false;
 
 #ifndef RUBBERBAND
-		if (shState->config().fastMusicPitch)
 		AL::Source::setPitch(alSrc, pitch);
 #endif
 	}

src/config.cpp

@@ -39,8 +39,6 @@ Config::Config()
       defScreenH(480),
       fixedFramerate(0),
       solidFonts(false),
-      fastSoundPitch(true),
-      fastMusicPitch(false),
       gameFolder("."),
       allowSymlinks(false)
 {}
@@ -61,8 +59,6 @@ void Config::read()
 	READ_VAL(defScreenH, Int);
 	READ_VAL(fixedFramerate, Int);
 	READ_VAL(solidFonts,  Bool);
-	READ_VAL(fastSoundPitch, Bool);
-	READ_VAL(fastMusicPitch, Bool);
 	READ_VAL(gameFolder, ByteArray);
 	READ_VAL(allowSymlinks, Bool);
 	READ_VAL(customScript, ByteArray);

src/config.h

@@ -44,9 +44,6 @@ struct Config
 
 	bool solidFonts;
 
-	bool fastSoundPitch;
-	bool fastMusicPitch;
-
 	QByteArray gameFolder;
 	bool allowSymlinks;