remove unnecessary where-clauses (#4023)

they may cause tachys to break with -Znext-solver

Author: lcnr

tachys/src/reactive_graph/mod.rs

@@ -615,10 +615,7 @@ macro_rules! reactive_impl {
             fn add_any_attr<NewAttr: Attribute>(
                 self,
                 _attr: NewAttr,
-            ) -> Self::Output<NewAttr>
-            where
-                Self::Output<NewAttr>: RenderHtml,
-            {
+            ) -> Self::Output<NewAttr> {
                 todo!()
             }
         }

tachys/src/view/template.rs

@@ -62,10 +62,7 @@ where
     fn add_any_attr<NewAttr: Attribute>(
         self,
         _attr: NewAttr,
-    ) -> Self::Output<NewAttr>
-    where
-        Self::Output<NewAttr>: RenderHtml,
-    {
+    ) -> Self::Output<NewAttr> {
         panic!("AddAnyAttr not supported on ViewTemplate");
     }
 }