tdf#42949 Fix IWYU warnings in include/opencl/*

Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: I76f15a8e7724384e8ba773621bdcac1351b32a0a
Reviewed-on: https://gerrit.libreoffice.org/62086
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

include/opencl/openclconfig.hxx

@@ -14,9 +14,11 @@
 #include <set>
 
 #include <opencl/opencldllapi.h>
-#include <opencl/platforminfo.hxx>
 #include <rtl/ustring.hxx>
 
+struct OpenCLDeviceInfo;
+struct OpenCLPlatformInfo;
+
 struct OPENCL_DLLPUBLIC OpenCLConfig
 {
     struct ImplMatcher

include/opencl/openclwrapper.hxx

@@ -10,22 +10,20 @@
 #ifndef INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
 #define INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
 
-#include <cassert>
 #include <vector>
 
 #include <clew/clew.h>
 
-#include <sal/detail/log.h>
 #include <opencl/opencldllapi.h>
-#include <opencl/platforminfo.hxx>
-#include <osl/file.hxx>
-#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
 
 #define MAX_CLFILE_NUM 50
 #define OPENCL_CMDQUEUE_SIZE 1 // number of command queues per OpenCL device.
 
 #include <cstdio>
 
+struct OpenCLPlatformInfo;
+
 namespace openclwrapper
 {
 

opencl/source/openclwrapper.cxx

@@ -13,6 +13,7 @@
 
 #include <opencl/openclconfig.hxx>
 #include <opencl/openclwrapper.hxx>
+#include <opencl/platforminfo.hxx>
 #include <osl/file.hxx>
 #include <rtl/bootstrap.hxx>
 #include <rtl/digest.h>