Continue removing MyError.

src/parser/target.rs

@@ -41,9 +41,9 @@ pub(crate) fn target<'b, 'g, 'r, 's>(
         .get_preceding_character()
         .expect("We cannot be at the start of the file because we are inside a target.");
     if preceding_character.is_whitespace() {
-        return Err(nom::Err::Error(CustomError::MyError(MyError(
+        return Err(nom::Err::Error(CustomError::Static(
             "Targets cannot end with whitespace.",
-        ))));
+        )));
     }
     let (remaining, _) = tag(">>")(remaining)?;
     let (remaining, _trailing_whitespace) =