chore: remove unused package

misc/packages.tex

@@ -3,9 +3,6 @@
 % Used for flexibility, so other types of documents can have their own preambles (e.g. presentations)
 \usepackage[subpreambles=true]{standalone}
 
-% Used for all the files inside thesis directory
-\usepackage{subfiles}	%TODO: possibly unused (remove?)
-
 % Paper size and margins
 \usepackage{geometry}