One language

content.yml

@@ -47,9 +47,8 @@ education:
   city: Naumburg
 
 # Settings
-mainfont: Hoefler Text # Any font installed on your system should work
-fontsize: 10pt # possible values: 10pt, 11pt, 12pt
-geometry: a4paper, textwidth=5.5in, textheight=8.5in, marginparsep=7pt, marginparwidth=.6in # See how the package geometry works at https://www.sharelatex.com/learn/Page_size_and_margins
-mainlang: English
-# otherlang: German
+mainfont: Hoefler Text
+fontsize: 10pt
+lang: English
+geometry: a4paper, textwidth=5.5in, textheight=8.5in, marginparsep=7pt, marginparwidth=.6in
 ---

template.tex

@@ -18,8 +18,7 @@
 %--------------------------------
 $if(lang)$
 \usepackage{polyglossia}
-\setmainlanguage{$mainlang$}
-\setotherlanguages{$for(otherlang)$$otherlang$$sep$,$endfor$}
+\setmainlanguage{$lang$}
 $endif$
 
 % TYPOGRAPHY