Revert "Don't include balancer specific pb in tycho pbs."

This reverts commit a1864e3c.

We will actually make the balance delta messages part of the tycho packages since this makes a few things simpler when trying to factor out an sdk.

proto/tycho/evm/v1/balancer.proto

@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+package tycho.evm.v1;
+
+import "tycho/evm/v1/common.proto";
+
+// A struct for following the changes of Total Value Locked (TVL).
+message BalanceDelta {
+  uint64 ord = 1;
+  // The tx hash of the transaction that caused the balance change.
+  Transaction tx = 2;
+  // The address of the ERC20 token whose balance changed.
+  bytes token = 3;
+  // The delta balance of the token.
+  bytes delta = 4;
+  // The id of the component whose TVL is tracked.
+  // If the protocol component includes multiple contracts, the balance change must be aggregated to reflect how much tokens can be traded.
+  bytes component_id = 5;
+}
+
+message BalanceDeltas {
+  repeated BalanceDelta balance_deltas = 1;
+}
+
+message TransactionProtocolComponents {
+  Transaction tx = 1;
+  repeated ProtocolComponent components = 2;
+}
+
+message GroupedTransactionProtocolComponents {
+  repeated TransactionProtocolComponents tx_components = 1;
+}