Removed markdownify on alert for terminal…
Removed markdownify on alert for terminal…

…because markdown parser changed content like — to –


Former-commit-id: d036001e0096129e6ddf0f50cbe4ac7d71fca64f [formerly fbaeadb5c536b0996aa1bae3520f6509c1316485]
Former-commit-id: 9670a3b48c29336368d123445e9b66288f25b39f
LibraryCarpentry/librarycarpentry.github.io,LibraryCarpentry/librarycarpentry.github.io,LibraryCarpentry/librarycarpentry.github.io