translation update

Language Megafix

This applies a lot of formatting fixes on the language files:

1. In EOF - trimmed all empty lines except one
2. After the title - one empty line strictly
3. Corrected links to nati

Language Megafix

This applies a lot of formatting fixes on the language files:

1. In EOF - trimmed all empty lines except one
2. After the title - one empty line strictly
3. Corrected links to national versions of documents in dokuwiki.org if
they exits - 4example [[doku>namespaces]] to [[doku>ar:namespaces]]
4. Corrected some over-auto-translated links to "playground:playground"
and "wiki:syntax"
5. Torn lines are collected in one in a large number of places (except
for RTL languages)
6. Removed e-mail signatures that now is missing in the English set of
files

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translation update

adjusted language files to remove outdated string

removed sub header from all languages