Remove options for old study tracks (pre 2020)

HY-CS-main.tex

@@ -17,20 +17,8 @@
 %%      software-track-2020 = Software study track
 %%      algorithms-track-2020 = Algorithms study track
 %%      networking-track-2020 = Networking study track
-%%
-%%      (30 cr thesis, Master's Programme in Computer Science = csm)
-%%      sw-track-2018 = Software Systems study track
-%%      alko-track-2018 = Algorithms study track
-%%      nodes-track-2018 = Networking and Services study track
-%%
-%%      (30 cr thesis, Master's Programme in Computer Science = csm)
-%%      sw-line-2017 =  Software systems subprogramme
-%%      alko-line-2017 = Algorithms, Data Analytics and Machine Learning subprogramme
-%%      bio-line-2017 = Algorithmic Bioinformatics subprogramme
-%%      nodes-line-2017 = Networking and Services subprogramme
-%%
 
-\documentclass[english,twoside,censored,csm,sw-line]{HYthesisML}
+\documentclass[english,twoside,censored,csm,software-track-2020]{HYthesisML}
 
 
 % In theses, open new chapters only at right page.