Do not log into zowe.runtimeDirectory

[Martin-Zeithaml]

Proposed changes

This PR addresses the problem found in: zowe/zowe-install-packaging#3495

Type of change

Please delete options that are not relevant.

• Refactor the code
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

PR Checklist

Please delete options that are not relevant.

• If the changes in this PR are meant for the next release / mainline, this PR targets the "staging" branch.
• My code follows the style guidelines of this project (see: Contributing guideline)
• Relevant update to CHANGELOG.md
• My changes generate no new warnings

Testing

zowe.logDirectory not used in config:

No log directory. Logging disabled.     
ZWED_NODE_LOG_FILE=/dev/null            
...
No log directory. Logging disabled.    
ZWES_LOG_FILE=/dev/null                

zowe.logDirectory set to /zowe/logs/

ZWED_NODE_LOG_FILE=/zowe/logs/appServer-2024-08-27-07-39.log  
ZWES_LOG_FILE=/zowe/logs/zssServer-2024-08-27-07-39.log   

[skurnevich]

lgtm