Remove Sequence trait implementation for array

src/sequencematcher.rs

@@ -74,19 +74,6 @@ impl<'a> Sequence for Vec<&'a str> {
 	}
 }
 
-impl<'a> Sequence for [&'a str] {
-	fn len(&self) -> usize {
-		self.len()
-	}
-
-	fn at_index(&self, index: usize) -> Option<&str> {
-		if index < self.len() && index >= 0 {
-			return Some(self[index])
-		}
-		None
-	}
-}
-
 pub struct SequenceMatcher<'a, T: 'a + ?Sized + Sequence>{
 	first_sequence: &'a T,
 	second_sequence: &'a T,