Move shadow_unrelated to restriction

clippy_lints/src/lib.register_pedantic.rs

@@ -81,7 +81,6 @@ store.register_group(true, "clippy::pedantic", Some("clippy_pedantic"), vec![
     LintId::of(redundant_else::REDUNDANT_ELSE),
     LintId::of(ref_option_ref::REF_OPTION_REF),
     LintId::of(semicolon_if_nothing_returned::SEMICOLON_IF_NOTHING_RETURNED),
-    LintId::of(shadow::SHADOW_UNRELATED),
     LintId::of(strings::STRING_ADD_ASSIGN),
     LintId::of(trait_bounds::TRAIT_DUPLICATION_IN_BOUNDS),
     LintId::of(trait_bounds::TYPE_REPETITION_IN_BOUNDS),

clippy_lints/src/lib.register_restriction.rs

@@ -50,6 +50,7 @@ store.register_group(true, "clippy::restriction", Some("clippy_restriction"), ve
     LintId::of(same_name_method::SAME_NAME_METHOD),
     LintId::of(shadow::SHADOW_REUSE),
     LintId::of(shadow::SHADOW_SAME),
+    LintId::of(shadow::SHADOW_UNRELATED),
     LintId::of(strings::STRING_ADD),
     LintId::of(strings::STRING_TO_STRING),
     LintId::of(strings::STR_TO_STRING),

clippy_lints/src/shadow.rs

@@ -102,7 +102,7 @@ declare_clippy_lint! {
     /// let w = z; // use different variable name
     /// ```
     pub SHADOW_UNRELATED,
-    pedantic,
+    restriction,
     "rebinding a name without even using the original value"
 }