chore: remove redundant words in comment (#2063)

Signed-off-by: hanghuge <[email protected]>

Author: hanghuge

lib/src/executor/runtime_call.rs

@@ -1487,7 +1487,7 @@ impl Inner {
                 }
             }
 
-            // If the the runtime requests the trie root hash of the main trie, we must first
+            // If the runtime requests the trie root hash of the main trie, we must first
             // recalculate the trie root hash of every single child trie that has been modified
             // since the previous trie root hash calculation.
             // This is also done if execution is finished, in order for the diff provided as

lib/src/network/kademlia/kbuckets.rs

@@ -52,7 +52,7 @@
 //! identities of the other nodes of the peer-to-peer network.
 //!
 //! Assuming that all the network identities that exist are distributed uniformly, the k-buckets
-//! will hold more network identities that are close to the the local node's network identity, and
+//! will hold more network identities that are close to the local node's network identity, and
 //! fewer network identities that are far away. In other words, the k-buckets store the neighbors
 //! of the local node, and a few far-away nodes.
 //!