Enable redaction for Impress

After the commit c2330b14e2bfa170131a83c375ec0b1a91c95415,
different page sizes and orientations are handled properly,
and Impress pages are converted to Draw perfectly.

Change-Id: Ib9ab6b298e12fc0d8e9440bf63f31ad6dd05ab35
Reviewed-on: https://gerrit.libreoffice.org/69910
Tested-by: Jenkins
Reviewed-by: Muhammet Kara <muhammet.kara@collabora.com>
(cherry picked from commit db76236e)
Reviewed-on: https://gerrit.libreoffice.org/69917Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

sfx2/source/doc/objserv.cxx

@@ -544,12 +544,6 @@ void SfxObjectShell::ExecFile_Impl(SfxRequest &rReq)
             bool bIsWriter = aRenderer.isWriter();
             bool bIsCalc = aRenderer.isCalc();
 
-            if (!bIsWriter && !bIsCalc)
-            {
-                SAL_WARN( "sfx.doc", "Redaction is supported only for Writer and Calc! (for now...)");
-                return;
-            }
-
             sal_Int32 nPages = aRenderer.getPageCount();
             std::vector< GDIMetaFile > aMetaFiles;