remove optional from gasMultiplier param and references

src/pages/dev/axelarjs-sdk/axelar-query-api.mdx

@@ -58,7 +58,7 @@ IMPORTANT NOTES:
    * @param destinationChainId
    * @param sourceChainTokenSymbol
    * @param gasLimit An estimated gas amount required to execute `executeWithToken` function. The default value is 700000 which should be sufficient for most transactions.
-   * @param gasMultiplier (Optional) A multiplier used to create a buffer above the calculated gas fee, to account for potential slippage throughout tx execution, e.g. 1.1 = 10% buffer. supports up to 3 decimal places
+   * @param gasMultiplier A multiplier used to create a buffer above the calculated gas fee, to account for potential slippage throughout tx execution, e.g. 1.1 = 10% buffer. supports up to 3 decimal places
    * @param minGasPrice (Optional) A minimum value, in wei, for the gas price on the destination chain that is used to override the estimated gas price if it falls below this specified value.
    * @param gmpParams (Optional) Additional parameters for GMP transactions, including the ability to see a detailed view of the fee response
    * @returns