tdf#146619 Remove unused #includes from C/C++ files

Change-Id: Ia8b406b6a59086160a5167480c6d3bde6574ffbe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155029
Tested-by: Jenkins
Tested-by: Gabor Kelemen <kelemeng@ubuntu.com>
Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>

sal/IwyuFilter_sal.yaml

@@ -0,0 +1,6 @@
+---
+assumeFilename: sal/osl/all/log.cxx
+excludelist:
+    sal/osl/all/log.cxx:
+    #sal_use_syslog required from this file
+    - salusesyslog.hxx

sal/osl/all/debugbase.cxx

@@ -17,7 +17,6 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#include <rtl/strbuf.hxx>
 #include <rtl/string.hxx>
 #include <rtl/ustring.hxx>
 #include <osl/process.h>

sal/osl/all/loadmodulerelative.cxx

@@ -18,9 +18,6 @@
  */
 
 #include <sal/config.h>
-
-#include <cstddef>
-
 #include <sal/log.hxx>
 #include <osl/module.h>
 #include <osl/module.hxx>

sal/osl/all/log.cxx

@@ -11,11 +11,9 @@
 
 #include <cassert>
 #include <cstdarg>
-#include <cstddef>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
-#include <sstream>
 
 #include <fstream>
 

sal/osl/all/signalshared.cxx

@@ -23,7 +23,6 @@
 
 #include <signalshared.hxx>
 
-#include <osl/diagnose.h>
 #include <mutex>
 
 namespace

salhelper/qa/test_api.cxx

@@ -18,9 +18,6 @@
  */
 
 #include <sal/config.h>
-
-#include <typeinfo>
-
 #include <osl/mutex.hxx>
 #include <salhelper/condition.hxx>
 #include <salhelper/dynload.hxx>

sax/source/fastparser/fastparser.cxx

@@ -34,7 +34,6 @@
 #include <cppuhelper/exc_hlp.hxx>
 #include <osl/conditn.hxx>
 #include <rtl/ref.hxx>
-#include <rtl/ustrbuf.hxx>
 #include <sal/log.hxx>
 #include <salhelper/thread.hxx>
 #include <comphelper/diagnose_ex.hxx>

sax/source/tools/fastattribs.cxx

@@ -20,7 +20,6 @@
 #include <algorithm>
 
 #include <com/sun/star/xml/sax/SAXException.hpp>
-#include <rtl/math.h>
 #include <sax/fastattribs.hxx>
 #include <utility>
 

sax/source/tools/fastserializer.cxx

@@ -23,7 +23,6 @@
 #include <rtl/math.h>
 #include <sal/log.hxx>
 #include <comphelper/processfactory.hxx>
-#include <comphelper/sequence.hxx>
 
 #include <cassert>
 #include <optional>