eliminate use of egrep and \# (fixes #1019660)

This piping of (e)grep into sed struck me as redundant, so I got rid of it.

I note that the first instance of egrep (looking for ttys) actually seems a bit beffuddled, since the egrep is looking for tty at the start of the line (among other things) but if it found it the sed would ignore that because it only accepts tty preceded by a space -- that's why I'm not bothering with preserving the start of line matching.

I've also grabbed the removal of \ before # from Vincent Lefevre's patch.

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added 41 commits

• bad3228e...ef7792b4 - 40 commits from branch installer-team:master
• 737064bb - eliminate use of egrep and \# (fixes #1019660)

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added 1 commit

• 9f5c7153 - changelog

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added 5 commits

• 9f5c7153...06b1dec7 - 3 commits from branch installer-team:master
• c433c850 - eliminate use of egrep and \# (fixes #1019660)
• c6a50771 - changelog

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added 11 commits

• c6a50771...f038ba03 - 9 commits from branch installer-team:master
• 77001ff8 - eliminate use of egrep and \# (fixes #1019660)
• b13a0890 - changelog

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added 3 commits

• 48ca0206 - 1 commit from branch installer-team:master
• da891b58 - eliminate use of egrep and \# (fixes #1019660)
• 64edff9b - changelog

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added 3 commits

• b392e0d7 - 1 commit from branch installer-team:master
• 8617524d - eliminate use of egrep and \# (fixes #1019660)
• d78391f6 - changelog

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merged

mentioned in commit b1f0e4fa

mentioned in merge request !22 (closed)