*: include cleanup (using iwyu)

src/input/plugins/AlsaInputPlugin.cxx

@@ -36,7 +36,6 @@
 #include "Log.hxx"
 #include "event/MultiSocketMonitor.hxx"
 #include "event/DeferredMonitor.hxx"
-#include "event/Call.hxx"
 #include "thread/Mutex.hxx"
 #include "thread/Cond.hxx"
 #include "IOThread.hxx"

src/input/plugins/ArchiveInputPlugin.cxx

@@ -25,9 +25,7 @@
 #include "archive/ArchivePlugin.hxx"
 #include "archive/ArchiveFile.hxx"
 #include "../InputPlugin.hxx"
-#include "fs/Traits.hxx"
 #include "fs/Path.hxx"
-#include "util/Alloc.hxx"
 #include "Log.hxx"
 
 #include <stdlib.h>

src/input/plugins/CdioParanoiaInputPlugin.cxx

@@ -37,7 +37,6 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include <stddef.h>
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>

src/input/plugins/CurlInputPlugin.cxx

@@ -24,7 +24,6 @@
 #include "../InputPlugin.hxx"
 #include "config/ConfigGlobal.hxx"
 #include "config/Block.hxx"
-#include "tag/Tag.hxx"
 #include "tag/TagBuilder.hxx"
 #include "event/SocketMonitor.hxx"
 #include "event/TimeoutMonitor.hxx"
@@ -33,7 +32,6 @@
 #include "util/ASCII.hxx"
 #include "util/StringUtil.hxx"
 #include "util/NumberParser.hxx"
-#include "util/CircularBuffer.hxx"
 #include "util/HugeAllocator.hxx"
 #include "util/Error.hxx"
 #include "util/Domain.hxx"

src/input/plugins/FileInputPlugin.cxx

@@ -30,7 +30,6 @@
 
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <errno.h>
 
 static constexpr Domain file_domain("file");
 

src/input/plugins/NfsInputPlugin.cxx

@@ -29,8 +29,6 @@
 #include "util/Error.hxx"
 
 #include <string.h>
-#include <sys/stat.h>
-#include <fcntl.h>
 
 /**
  * Do not buffer more than this number of bytes.  It should be a