Revert "Move ToString.h to the proper location"

This reverts commit f3db7675.
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Makefile.am

@@ -150,7 +150,6 @@ noinst_HEADERS = \
 	src/utils/ModificationsNotifier.h \
 	src/utils/SWMRLock.h \
 	src/utils/VLCInstance.h \
-	src/utils/ToString.h \
 	src/VideoTrack.h \
 	src/compat/Thread.h \
 	src/compat/Mutex.h \

src/History.cpp

@@ -27,7 +27,7 @@
 #include "History.h"
 
 #include "database/SqliteTools.h"
-#include "utils/ToString.h"
+#include "ToString.h"
 
 namespace medialibrary
 {

src/database/SqliteErrors.h

@@ -24,7 +24,7 @@
 
 #include <string>
 #include <exception>
-#include "utils/ToString.h"
+#include "ToString.h"
 
 namespace medialibrary
 {

src/metadata_services/MetadataParser.cpp

@@ -32,7 +32,7 @@
 #include "Genre.h"
 #include "Media.h"
 #include "Show.h"
-#include "utils/ToString.h"
+#include "ToString.h"
 #include "utils/Filename.h"
 #include "utils/ModificationsNotifier.h"
 #include <cstdlib>

src/metadata_services/vlc/VLCThumbnailer.cpp

@@ -31,7 +31,7 @@
 #include "logging/Logger.h"
 #include "MediaLibrary.h"
 #include "utils/VLCInstance.h"
-#include "utils/ToString.h"
+#include "ToString.h"
 
 #ifdef HAVE_JPEG
 #include "imagecompressors/JpegCompressor.h"