docs: remove fallback

Author: MerlinEgalite

src/libraries/ChainlinkDataFeedLib.sol

@@ -14,9 +14,8 @@ library ChainlinkDataFeedLib {
     /// @dev When `feed` is the address zero, returns 1.
     /// @dev Notes on safety checks:
     /// - Staleness is not checked because it's assumed that the Chainlink feed keeps its promises on this.
-    /// - The price is not checked to be in the min/max bounds because it's assumed that the Chainlink feed keeps its promises on this.
-    /// - No fallback is used. In case the oracle reverts, Morpho Blue users can still exit their positions but
-    /// can't be liquidated.
+    /// - The price is not checked to be in the min/max bounds because it's assumed that the Chainlink feed keeps its
+    /// promises on this.
     function getPrice(AggregatorV3Interface feed) internal view returns (uint256) {
         if (address(feed) == address(0)) return 1;