[REPL] Fix a REPL test failure by removing an erroneous space in test (#44972)
* [REPL] remove erroneous space in test
Introduced by https://github.com/JuliaLang/julia/pull/33805 (74f2de13727373b44da76a65ceb5297889d3e482).
* Revert "Temporarily move the `REPL` test suite to node 1, to buy us time until we fix the underlying bugs (#44961)"
This reverts commit 322fd706a1739daf4776fd050df756e6670ba958.