Removal unnecessary using declarations

This commit just removes some unnecessary using declarations

Change-Id: Ia1c7cc925b2db5b1172fae91dc703883d6539eaa
Signed-off-by: José Guilherme Vanz <guilherme.sft@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/1430Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>
Tested-by: Norbert Thiebaud <nthiebaud@gmail.com>

oox/source/helper/attributelist.cxx

@@ -31,9 +31,6 @@ using namespace ::com::sun::star;
 using namespace ::com::sun::star::uno;
 using namespace ::com::sun::star::xml::sax;
 
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-
 // ============================================================================
 
 namespace {

oox/source/helper/binaryinputstream.cxx

@@ -34,12 +34,6 @@ namespace oox {
 using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OString;
-using ::rtl::OStringBuffer;
-using ::rtl::OStringToOUString;
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-
 namespace {
 
 const sal_Int32 INPUTSTREAM_BUFFERSIZE      = 0x8000;

oox/source/helper/binaryoutputstream.cxx

@@ -31,10 +31,6 @@ namespace oox {
 using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OString;
-using ::rtl::OUString;
-using ::rtl::OUStringToOString;
-
 namespace {
 
 const sal_Int32 OUTPUTSTREAM_BUFFERSIZE     = 0x8000;

oox/source/helper/containerhelper.cxx

@@ -34,9 +34,6 @@ using namespace ::com::sun::star::container;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-
 // ============================================================================
 
 namespace {

oox/source/helper/graphichelper.cxx

@@ -50,8 +50,6 @@ using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-
 // ============================================================================
 
 namespace {

oox/source/helper/modelobjecthelper.cxx

@@ -36,8 +36,6 @@ using namespace ::com::sun::star::drawing;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-
 // ============================================================================
 
 ObjectContainer::ObjectContainer( const Reference< XMultiServiceFactory >& rxModelFactory, const OUString& rServiceName ) :

oox/source/helper/progressbar.cxx

@@ -29,8 +29,6 @@ namespace oox {
 using namespace ::com::sun::star::task;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-
 namespace {
 
 const sal_Int32 PROGRESS_RANGE      = 1000000;

oox/source/helper/propertymap.cxx

@@ -47,7 +47,6 @@ using ::com::sun::star::text::WritingMode;
 #include <cppuhelper/implbase2.hxx>
 #include <osl/mutex.hxx>
 #include "oox/token/propertynames.hxx"
-using ::rtl::OUString;
 using ::com::sun::star::uno::Any;
 using ::com::sun::star::uno::Reference;
 using ::com::sun::star::uno::RuntimeException;
@@ -75,7 +74,6 @@ using ::com::sun::star::container::XIndexReplace;
 using namespace ::com::sun::star;
 using namespace ::com::sun::star::drawing;
 using namespace ::com::sun::star::uno;
-using ::rtl::OString;
 using ::com::sun::star::style::LineSpacing;
 using ::com::sun::star::text::WritingMode;
 using ::com::sun::star::drawing::TextHorizontalAdjust;

oox/source/helper/propertyset.cxx

@@ -30,10 +30,6 @@ namespace oox {
 using namespace ::com::sun::star::beans;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OStringBuffer;
-using ::rtl::OUString;
-using ::rtl::OUStringToOString;
-
 // ============================================================================
 
 void PropertySet::set( const Reference< XPropertySet >& rxPropSet )

oox/source/helper/storagebase.cxx

@@ -33,9 +33,6 @@ using namespace ::com::sun::star::embed;
 using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-
 // ============================================================================
 
 namespace {

oox/source/helper/textinputstream.cxx

@@ -33,8 +33,6 @@ using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-
 // ============================================================================
 
 namespace {

oox/source/helper/zipstorage.cxx

@@ -39,8 +39,6 @@ using namespace ::com::sun::star::io;
 using namespace ::com::sun::star::lang;
 using namespace ::com::sun::star::uno;
 
-using ::rtl::OUString;
-
 // ============================================================================
 
 ZipStorage::ZipStorage( const Reference< XComponentContext >& rxContext, const Reference< XInputStream >& rxInStream ) :