Merge pull request #9666 from AttilaVamos/HPCC-17176-fix-6.4.0

HPCC-17176 Remove xmlout2.eclccwarn file

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

testing/regress/ecl/key/xmlout2.eclccwarn

@@ -1,2 +0,0 @@
-xmlout2.ecl(66,38): warning C1023: Condition is always false
-0 error, 1 warning