Remove citation to fix failing builds

Jenkinsfile

@@ -4,7 +4,7 @@ node {
     }
     
     stage('Build PDF') {
-        sh 'latexmk -xelatex -jobname=lsd-zf -f main.tex'
+        sh 'latexmk -xelatex -jobname=lsd-zf main.tex'
     }
     
     stage('Archive PDF') {

main.bib

@@ -1,7 +0,0 @@
-@misc{wernliLectureScript,
-  title   = {Lecture {{Script}}},
-  author  = {Wernli, Heini and Papritz, Lukas},
-  url     = {https://ethz.ch/content/dam/ethz/special-interest/usys/iac/iac-dam/documents/edu/courses/dynamics_of_large_scale_flow/LSD_2022.pdf},
-  urldate = {2022-09-10},
-  file    = {/Users/thisfro/Zotero/storage/ERN2IM82/Lecture Script.pdf}
-}

main.tex

@@ -13,16 +13,13 @@
 \usepackage{fontawesome5}
 \usepackage{xcolor}
 \usepackage{float}
-\usepackage{apacite}
 \usepackage{physics}
-\usepackage[style=authoryear]{biblatex}
 \usepackage[
     type={CC},
     modifier={by-sa},
     version={3.0}
 ]{doclicense}
 
-\addbibresource{main.bib} 
 \graphicspath{{./img/}} 
 
 \definecolor{codegreen}{rgb}{0,0.6,0}
@@ -250,13 +247,16 @@ How to determine the $Q$-Vector on weather charts:
 This document is released under (CC BY-SA 3.0) \\
 \faGlobeEurope \kern 1em \url{https://n.ethz.ch/~jannisp/lsd-zf} \\
 \faGit \kern 0.88em \url{https://git.thisfro.ch/thisfro/lsd-zf} \\
-Jannis Portmann, HS22
+Jannis Portmann, \the\year
 
-\printbibliography
+\section*{References}
+\begin{itemize}
+    \item Script, Heini Wernli and Lukas Papritz, 2022
+\end{itemize}
 
 \section*{Image sources}
 \begin{itemize}
-    \item Figure~\ref{Q-eta} (Skript, \cite{wernliLectureScript})
+    \item Figure~\ref{Q-eta} (Wernli and Papritz 2022)
 \end{itemize}
 
 \end{multicols*}