Removed extra comments

(cherry picked from commit 93cffe7)

Author: udeeksha30-netizen

deps/rabbit/priv/schema/rabbit.schema

@@ -2607,9 +2607,6 @@ fun(Conf) ->
 end}.
 
 %% Enable or disable local random exchange
-%%
-%% {exchange_types.local_random.enabled, false},
-
 {mapping, "exchange_types.local_random.enabled", "rabbit.local_random_exchange_enabled", [
     {datatype, {enum, [true, false]}}
 ]}.