bug 403027 - pxp01&03 failing to restart, fix remove profile dirs step, p=me, r=bhearsum

tools/buildbot-configs/testing/talos/perfmaster/master.cfg

@@ -323,8 +323,11 @@ firefox_trunk_winxp_perf_steps.addStep(MozillaUpdateConfig,
 firefox_trunk_winxp_perf_steps.addStep(ShellCommand,
                             workdir="C:\\Documents and Settings\\Administrator\\Local Settings\\Temp",
                             description="Remove Configs",
-                            command="for /D %d in (tmp*) rmdir /S /Q %d",
-                            env=MozillaEnvironments['vc8perf'])
+                            command="for /D %d in (tmp*) do rmdir /S /Q %d",
+                            env=MozillaEnvironments['vc8perf'],
+                            haltOnFailure=False,
+                            flunkOnFailure=False,
+                            warnOnWarnings=False)
 firefox_trunk_winxp_perf_steps.addStep(MozillaRunPerfTests,
                             workdir="talos/",
                             branch="1.9",