[TASK] Remove option "noEdit" from Install Tool

As the new Extension Manager got not possibility
to edit files of extensions, this setting is not used anymore
and can be removed

Change-Id: I38470a79310a633828c8f163cac88a022f1cd4e3
Resolves: #41813
Releases: 6.0
Reviewed-on: http://review.typo3.org/16027
Reviewed-by: Mattias Nilsson
Reviewed-by: Daniel Lorenz
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer