Fix new clippy issues after rustup

Author: kraigher

vhdl_lang/src/data/contents.rs

@@ -119,7 +119,7 @@ impl Contents {
         self.lines
             .splice(
                 start_line..=end_line,
-                split_lines(&merged_content).into_iter(),
+                split_lines(&merged_content),
             )
             .count();
     }

vhdl_lang/src/syntax/context.rs

@@ -216,8 +216,7 @@ mod tests {
 
     #[test]
     fn test_context_clause() {
-        let variants = vec![
-            &"\
+        let variants = [&"\
 context ident is
 end;
 ",
@@ -232,8 +231,7 @@ end ident;
             &"\
 context ident is
 end context ident;
-",
-        ];
+"];
         for (idx, variant) in variants.iter().enumerate() {
             let has_end_ident = idx >= 2;
             let code = Code::new(variant);