tdf#146619 Drop unused 'using namespace' in: stoc/

Change-Id: I86e2dd229e377995e52d323b1b5be5a9a280b68f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/165514
Tested-by: Jenkins
Reviewed-by: Gabor Kelemen <gabor.kelemen.extern@allotropia.de>

stoc/source/implementationregistration/implreg.cxx

@@ -53,7 +53,6 @@ using namespace css::beans;
 using namespace css::lang;
 using namespace css::registry;
 using namespace cppu;
-using namespace osl;
 
 namespace {
 

stoc/source/implementationregistration/mergekeys.cxx

@@ -27,7 +27,6 @@
 
 #include "mergekeys.hxx"
 
-using namespace ::osl;
 using namespace css::uno;
 using namespace ::com::sun::star;
 

stoc/source/invocation/invocation.cxx

@@ -54,7 +54,6 @@ using namespace css::reflection;
 using namespace css::beans;
 using namespace css::container;
 using namespace cppu;
-using namespace osl;
 
 namespace stoc_inv
 {

stoc/source/loader/dllcomponentloader.cxx

@@ -40,7 +40,6 @@ using namespace css::loader;
 using namespace css::lang;
 using namespace css::registry;
 using namespace cppu;
-using namespace osl;
 
 namespace {
 

stoc/source/namingservice/namingservice.cxx

@@ -29,7 +29,6 @@
 #include <unordered_map>
 
 using namespace cppu;
-using namespace osl;
 
 using namespace css::uno;
 using namespace css::lang;

stoc/source/typeconv/convert.cxx

@@ -49,7 +49,6 @@ using namespace css::uno;
 using namespace css::lang;
 using namespace css::script;
 using namespace cppu;
-using namespace osl;
 
 namespace stoc_tcv
 {