output/Output*: drop "Output" prefix from source file name

Makefile.am

@@ -1376,11 +1376,11 @@ OUTPUT_API_SRC = \
 	src/output/MultipleOutputs.cxx src/output/MultipleOutputs.hxx \
 	src/output/SharedPipeConsumer.cxx src/output/SharedPipeConsumer.hxx \
 	src/output/Source.cxx src/output/Source.hxx \
-	src/output/OutputThread.cxx \
+	src/output/Thread.cxx \
 	src/output/Domain.cxx src/output/Domain.hxx \
 	src/output/Control.cxx src/output/Control.hxx \
-	src/output/OutputState.cxx src/output/OutputState.hxx \
-	src/output/OutputPrint.cxx src/output/OutputPrint.hxx \
+	src/output/State.cxx src/output/State.hxx \
+	src/output/Print.cxx src/output/Print.hxx \
 	src/output/OutputCommand.cxx src/output/OutputCommand.hxx \
 	src/output/OutputPlugin.cxx src/output/OutputPlugin.hxx \
 	src/output/Finish.cxx \

src/StateFile.cxx

@@ -19,7 +19,7 @@
 
 #include "config.h"
 #include "StateFile.hxx"
-#include "output/OutputState.hxx"
+#include "output/State.hxx"
 #include "queue/PlaylistState.hxx"
 #include "fs/io/TextFile.hxx"
 #include "fs/io/FileOutputStream.hxx"

src/command/OutputCommands.cxx

@@ -20,7 +20,7 @@
 #include "config.h"
 #include "OutputCommands.hxx"
 #include "Request.hxx"
-#include "output/OutputPrint.hxx"
+#include "output/Print.hxx"
 #include "output/OutputCommand.hxx"
 #include "client/Client.hxx"
 #include "client/Response.hxx"

src/output/Print.cxx

@@ -23,7 +23,7 @@
  */
 
 #include "config.h"
-#include "OutputPrint.hxx"
+#include "Print.hxx"
 #include "MultipleOutputs.hxx"
 #include "Internal.hxx"
 #include "client/Response.hxx"

src/output/State.cxx

@@ -23,7 +23,7 @@
  */
 
 #include "config.h"
-#include "OutputState.hxx"
+#include "State.hxx"
 #include "MultipleOutputs.hxx"
 #include "Internal.hxx"
 #include "Domain.hxx"