Add new lint to detect unnecessarily wrapped value

src/lintlist/mod.rs

@@ -2608,6 +2608,13 @@
         deprecation: None,
         module: "unwrap",
     },
+    Lint {
+        name: "unnecessary_wrap",
+        group: "complexity",
+        desc: "functions that only return `Ok` or `Some`",
+        deprecation: None,
+        module: "unnecessary_wrap",
+    },
     Lint {
         name: "unneeded_field_pattern",
         group: "restriction",