move lint to restriction group

clippy_lints/src/inherent_impl.rs

@@ -34,7 +34,7 @@ use syntax_pos::Span;
 /// ```
 declare_clippy_lint! {
     pub MULTIPLE_INHERENT_IMPL,
-    pedantic,
+    restriction,
     "Multiple inherent impl that could be grouped"
 }
 

clippy_lints/src/lib.rs

@@ -426,6 +426,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
         array_indexing::INDEXING_SLICING,
         assign_ops::ASSIGN_OPS,
         else_if_without_else::ELSE_IF_WITHOUT_ELSE,
+        inherent_impl::MULTIPLE_INHERENT_IMPL,
         literal_representation::DECIMAL_LITERAL_REPRESENTATION,
         mem_forget::MEM_FORGET,
         methods::CLONE_ON_REF_PTR,
@@ -454,7 +455,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
         enum_variants::STUTTER,
         if_not_else::IF_NOT_ELSE,
         infinite_iter::MAYBE_INFINITE_ITER,
-        inherent_impl::MULTIPLE_INHERENT_IMPL,
         items_after_statements::ITEMS_AFTER_STATEMENTS,
         matches::SINGLE_MATCH_ELSE,
         methods::FILTER_MAP,