ConsoleProcess: Make setSettings() a static member

Since it's not possible to use directly ICore::settings()
inside Utils lib, make setSettings() a static member.
This simplifies the API of other static methods.
Set the settings just once now, inside main().

Change-Id: I2bcc58d4d29b5aba4a1a21a98a9f4245b24b530f
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/projectexplorer/devicesupport/sshdeviceprocess.cpp

@@ -200,7 +200,6 @@ void SshDeviceProcess::handleConnected()
         connect(&d->consoleProcess, &ConsoleProcess::finished,
                 this, [this] { handleProcessFinished(d->consoleProcess.errorString()); });
         d->consoleProcess.setAbortOnMetaChars(false);
-        d->consoleProcess.setSettings(Core::ICore::settings());
         d->consoleProcess.setCommand(d->process->fullLocalCommandLine());
         d->consoleProcess.start();
     } else {