Update sv progit (#2150)

## Changes

<!-- List the changes this PR makes. -->

-

## Context

<!-- Explain why you're making these changes. -->

Author: dscho

layouts/partials/translations.html

@@ -23,6 +23,7 @@
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "ru") }}">Русский</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "sl") }}">Slovenščina</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "sr") }}">Српски</a>,</td></tr>
+    <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "sv") }}">Svenska</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "tl") }}">Tagalog</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "tr") }}">Türkçe</a>.</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "uk") }}">Українська</a>,</td></tr>
@@ -36,7 +37,6 @@
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "mk") }}">Македонски</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "pl") }}">Polski</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "pt-br") }}">Português (Brasil)</a>,</td></tr>
-    <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "sv") }}">Svenska</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "uz") }}">Ўзбекча</a>,</td></tr>
     <tr><td><a href="{{ partial "translated-chapter.html" (dict "ctx" . "lang" "zh-tw") }}">繁體中文</a>,</td></tr>
   </table>

script/book.rb

@@ -29,7 +29,7 @@ class Book
     "sr" => "progit/progit2-sr",
     "tl" => "progit2-tl/progit2",
     "tr" => "progit/progit2-tr",
-    "sv" => "progit2-sv/progit2",
+    "sv" => "progit/progit2-sv",
     "uk" => "progit/progit2-uk",
     "uz" => "progit/progit2-uz",
     "zh" => "progit/progit2-zh",