libipa: awb: Tidy up includes

Drop unneeded headers and add missing ones.

The yaml_parser.h header is dropped from awb_grey.h as the classes it
provides are only used in virtual functions defined by the base class,
so any required definitions are guaranteed to be available already.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>

src/ipa/libipa/awb_bayes.cpp

@@ -8,7 +8,12 @@
 
 #include "awb_bayes.h"
 
+#include <algorithm>
 #include <cmath>
+#include <limits>
+#include <map>
+#include <ostream>
+#include <vector>
 
 #include <libcamera/base/log.h>
 #include <libcamera/control_ids.h>

src/ipa/libipa/awb_bayes.h

@@ -7,14 +7,6 @@
 
 #pragma once
 
-#include <map>
-#include <memory>
-#include <tuple>
-#include <vector>
-
-#include <libcamera/base/utils.h>
-
-#include <libcamera/control_ids.h>
 #include <libcamera/controls.h>
 
 #include "libcamera/internal/vector.h"

src/ipa/libipa/awb_grey.cpp

@@ -7,7 +7,7 @@
 
 #include "awb_grey.h"
 
-#include <cmath>
+#include <algorithm>
 
 #include <libcamera/base/log.h>
 #include <libcamera/control_ids.h>

src/ipa/libipa/awb_grey.h

@@ -7,8 +7,9 @@
 
 #pragma once
 
+#include <optional>
+
 #include "libcamera/internal/vector.h"
-#include "libcamera/internal/yaml_parser.h"
 
 #include "awb.h"
 #include "interpolator.h"