HPCC-10063  Hide Timing Tree Map Help on Graph View

Fixes HPCC-10063

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #4857 from GordonSmith/HPCC-10063_HideTimingHelp

HPCC-10063  Hide Timing Tree Map Help on Graph View

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>