redundant word removed

"struct expressions can be in used in these situations" => "struct expressions can be used in these situations"

Author: voidpx

src/expressions/struct-expr.md

@@ -73,7 +73,7 @@ drop(y_ref);
 ```
 
 Struct expressions with curly braces can't be used directly in a [loop] or [if] expression's head, or in the [scrutinee] of an [if let] or [match] expression.
-However, struct expressions can be in used in these situations if they are within another expression, for example inside [parentheses].
+However, struct expressions can be used in these situations if they are within another expression, for example inside [parentheses].
 
 The field names can be decimal integer values to specify indices for constructing tuple structs.
 This can be used with base structs to fill out the remaining indices not specified: