Sync required toolset list for RC

[SVN r36796]

status/explicit-failures-markup.xml

@@ -47,10 +47,7 @@
     <mark-toolset name="gcc-4_0_3_tru64" status="required"/>
     <mark-toolset name="gcc-3.4.3_sunos" status="required"/>
     <mark-toolset name="darwin-4.0.1" status="required"/>
-    <mark-toolset name="qcc-3.3.5_cpp" status="required"/>
-    <mark-toolset name="qcc-3.3.5_gpp" status="required"/>
     <mark-toolset name="intel-vc71-win-9.1" status="required"/>
-    <mark-toolset name="intel-vc8-win-9.1" status="required"/>
     <mark-toolset name="intel-linux-9.0" status="required"/>
     <mark-toolset name="hp_cxx-71_006_tru64" status="required"/>
     <mark-toolset name="sun-5.8" status="required"/>