Fixes ENOENT issues on Windows

[ryanml]

Fixes: #15031

geth.pid does not need to be a named pipe

Submitter Checklist:

• Submitted a ticket for my issue if one did not already exist.
• Used Github auto-closing keywords in the commit message.
• Added/updated tests for this change (for new code or code which already has tests).
• Ran git rebase -i to squash commits (if needed).
• Tagged reviewers and labelled the pull request as needed.
• Request a security/privacy review as needed. (Ask a Brave employee to help if you cannot access this document.)

Test Plan:

Reviewer Checklist:

• Request a security/privacy review as needed if one was not already requested.

Tests

• Adequate test coverage exists to prevent regressions
• Tests should be independent and work correctly when run individually or as a suite ref
• New files have MPL2 license header

[Slava]

you could simplify or put an explanatory comment if you want

[Slava]

is the extra pair of parens meaningful? Seems like it wouldn't change anything to remove them and the line would be read the same:

get processId or if it doesn't exist gethProcessId or if geth was running get geth pid

[ryanml]

Eh, sometimes I go a little extreme on the parens :) I can clean it up

[ryanml]

master: b9b616c
0.24.x: 16a7383
0.23.x: d6475bf