chore: Remove duplicate option1 exercise

info.toml

@@ -509,17 +509,6 @@ https://doc.rust-lang.org/std/result/#results-must-be-used"""
 
 # OPTIONS / RESULTS
 
-[[exercises]]
-name = "option1"
-path = "exercises/error_handling/option1.rs"
-mode = "test"
-hint = """
-Try using a `match` statement where the arms are `Some(thing)` and `None`.
-Or set a default value to print out if you get `None` by using the
-function `unwrap_or`.
-Or use an `if let` statement on the result of `pop()` to both destructure
-a `Some` value and only print out something if we have a value!"""
-
 [[exercises]]
 name = "option1"
 path = "exercises/option/option1.rs"