fix: Set minimum staking to 0 (#12601)

Signed-off-by: Iris Simon <[email protected]>

Author: iwsimon

hedera-node/hedera-token-service-impl/src/main/java/com/hedera/node/app/service/token/impl/schemas/InitialModServiceTokenSchema.java

@@ -592,7 +592,7 @@ private void initializeStakingNodeInfo(@NonNull final MigrationContext ctx) {
         final var numberOfNodes = addressBook.size();
 
         final long maxStakePerNode = ledgerConfig.totalTinyBarFloat() / numberOfNodes;
-        final long minStakePerNode = maxStakePerNode / 2;
+        final long minStakePerNode = 0;
 
         final var numRewardHistoryStoredPeriods = stakingConfig.rewardHistoryNumStoredPeriods();
         final var stakingInfoState = ctx.newStates().get(STAKING_INFO_KEY);