Drop 'static_cast<cppu::OWeakObject*>' syntactic noise

... where the object is created in-place, and its type is known

Change-Id: Ifabfcf2f3ad0d60152f14e8d970c1faa42115288
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112256
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

binaryurp/source/bridgefactory.cxx

@@ -185,7 +185,7 @@ extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 com_sun_star_comp_bridge_BridgeFactory_get_implementation(
     css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
 {
-    return cppu::acquire(static_cast< cppu::OWeakObject * >(new binaryurp::BridgeFactory));
+    return cppu::acquire(new binaryurp::BridgeFactory);
 }
 
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