Clean up unused files and functions
diff --git a/.Rproj.user/441ADA46/sources/prop/INDEX b/.Rproj.user/441ADA46/sources/prop/INDEX
index 8ac9b8e..35ce752 100644
--- a/.Rproj.user/441ADA46/sources/prop/INDEX
+++ b/.Rproj.user/441ADA46/sources/prop/INDEX
@@ -1,4 +1,6 @@
 ~%2FDocuments%2FGitHub%2FThesis%2FCarbon%2FCarbon.Rmd="50D2217A"
+~%2FDocuments%2FGitHub%2Fposterdown%2F.travis.yml="F60D855F"
+~%2FDocuments%2FGitHub%2Fposterdown%2FNAMESPACE="FB6BF66"
 ~%2FDocuments%2FGitHub%2Fposterdown%2FR%2Fposterdown_memoir.R="B888931F"
 ~%2FDocuments%2FGitHub%2Fposterdown%2Finst%2Frmarkdown%2Ftemplates%2Fposterdown_generic%2Fresources%2Ftemplate.tex="69C6113C"
 ~%2FDocuments%2FGitHub%2Fposterdown%2Finst%2Frmarkdown%2Ftemplates%2Fposterdown_generic%2Fskeleton%2Fskeleton.Rmd="7449E372"