Updated call semantics (#56)

- Update pallet-revive dependency
- Implement calls according to pallet-revive call semantics
- Switch to the new return data API in pallet revive and get rid of return data buffer
- Remove a bunch of resulting dead code

crates/integration/contracts/Call.sol

@@ -2,19 +2,62 @@
 
 pragma solidity ^0.8;
 
-contract Call {
+/* runner.json
+{
+    "differential": true,
+    "actions": [
+        {
+            "Upload": {
+                "code": {
+                    "Solidity": {
+                        "contract": "Callee"
+                    }
+                }
+            }
+        },
+        {
+            "Instantiate": {
+                "code": {
+                    "Solidity": {
+                        "contract": "Caller"
+                    }
+                }
+            }
+        },
+        {
+            "Call": {
+                "dest": {
+                    "Instantiated": 0
+                },
+                "value": 123,
+                "data": "1eb16e5b000000000000000000000000d8b934580fce35a11b58c6d73adee468a2833fa8"
+            }
+        },
+        {
+            "Call": {
+                "dest": {
+                    "Instantiated": 0
+                },
+                "data": "5a6535fc00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004cafebabe00000000000000000000000000000000000000000000000000000000"
+            }
+        }
+    ]
+}
+*/
+
+contract Callee {
+    function echo(bytes memory payload) public pure returns (bytes memory) {
+        return payload;
+    }
+}
+
+contract Caller {
     function value_transfer(address payable destination) public payable {
         destination.transfer(msg.value);
     }
 
-    function echo(bytes memory payload) public pure returns (bytes memory) {
-        return payload;
-    }
-
-    function call(
-        address callee,
-        bytes memory payload
-    ) public pure returns (bytes memory) {
-        return Call(callee).echo(payload);
+    function call(bytes memory payload) public returns (bytes memory) {
+        Callee callee = new Callee();
+        return callee.echo(payload);
     }
 }