Removed unnecessary functions (using `staticcheck`)

misc.go

@@ -54,16 +54,6 @@ func assert(cond bool) {
 	}
 }
 
-func deleteFromSlice[T comparable](slc []T, val T) []T {
-	toReturn := make([]T, 0, len(slc))
-	for _, v := range slc {
-		if v != val {
-			toReturn = append(toReturn, v)
-		}
-	}
-	return toReturn
-}
-
 // Ensure that the given elements are only appended to the given slice if they
 // don't already exist. Returns the new slice, and the number of unique items appended.
 func unique_append[T comparable](slc []T, items ...T) ([]T, int) {
@@ -149,13 +139,6 @@ func allCases(r rune) []rune {
 	return []rune{unicode.ToLower(r), unicode.ToUpper(r), unicode.ToTitle(r)}
 }
 
-// Expands a slice to the given length
-func expandSlice[T any](slc []T, newSize int) []T {
-	toRet := make([]T, newSize)
-	copy(toRet, slc)
-	return toRet
-}
-
 func isHex(c rune) bool {
 	return slices.Contains([]rune("0123456789abcdefABCDEF"), c)
 }