Remove duplicate instructions in all languages

[ahclaster]

1. This language appears twice at the end of the script in all languages:
   FIRST TIME:
   Please enter your email address here if you would like JuliaHub to contact you to help your business succeed using Julia.
   ENTER EMAIL ADDRESS

SECOND TIME: I_I Please click this box if you would like JuliaHub to reach out to you to help your business succeed using Julia. (edited)
This should only appear once in each language

2. This language appears twice in q 1, 2, 4-10, 17-19, 21-32. Please select all that apply. Please select all that apply. In several cases, the language that appears twice is not identical but is similar. One of these should be deleted in each of these questions in every language.

3. In q14, this appears twice. In Spanish, it appears once in Spanish and once in English: INDIQUE EL AÑO (2009-2023)enter year from 2023 to 2009
   Please delete the duplicative language (delete the English version) from all languages