fix: grammatical errors in Vm.sol and IERC7540.sol comments (#783)

Author: zeevick10

src/Vm.sol

@@ -44,7 +44,7 @@ interface IERC7540Deposit is IERC7540Operator {
      * @dev Transfers assets from sender into the Vault and submits a Request for asynchronous deposit.
      *
      * - MUST support ERC-20 approve / transferFrom on asset as a deposit Request flow.
-     * - MUST revert if all of assets cannot be requested for deposit.
+     * - MUST revert if all assets cannot be requested for deposit.
      * - owner MUST be msg.sender unless some unspecified explicit approval is given by the caller,
      *    approval of ERC-20 tokens from owner to sender is NOT enough.
      *
@@ -107,7 +107,7 @@ interface IERC7540Redeem is IERC7540Operator {
      *
      * - MUST support a redeem Request flow where the control of shares is taken from sender directly
      *   where msg.sender has ERC-20 approval over the shares of owner.
-     * - MUST revert if all of shares cannot be requested for redeem.
+     * - MUST revert if all shares cannot be requested for redeem.
      *
      * @param shares the amount of shares to be redeemed to transfer from owner
      * @param controller the controller of the request who will be able to operate the request