fix broken i2cp link on docs page

etc/update.vars

@@ -8,6 +8,3 @@ if [ $(which timeout) ]; then
 else
     MTN="mtn"
 fi
-
-BLOG_POSTS_PER_FEED=6
-BLOG_POSTS_PER_PAGE=6

i2p2www/pages/site/docs/index.html

@@ -11,7 +11,8 @@ Following is an index to the technical documentation for I2P.
 This index is ordered from the highest to lowest layers.
 The higher layers are for "clients" or applications;
 the lower layers are inside the router itself.
-The interface between applications and the router is the <a href="{{ site_url('docs/protocol/i2cp') }}">I2CP (I2P Control Protocol) API</a>.
+The interface between applications and the router is the I2CP (I2P Control
+Protocol) API.
 {%- endtrans %}</p>
 
 <p>{% trans trac='https://trac.i2p2.de/report/1' -%}