Remove dependencies from AutomationTool -> AutomationToolUtils
Removes compile-time dependencies, except for the call to AutomationTool.Automation.Process - which will be changed in a future CL.
This change is part of preparing AutomationTool to be able to build All *.Automation.csproj projects (including AutomationUtils.Automation.csproj)
#jira UE-109181
#preflight 60caedc72ab21800016a73a5
#rb ben.marsh
[CL 16703954 by jonathan adamczewski in ue5-main branch]
