Drop "MAY, 2018" clause for proposal validation on mainnet (#2101)

Author: UdjinM6

src/governance-object.cpp

@@ -470,8 +470,7 @@ bool CGovernanceObject::IsValidLocally(std::string& strError, bool& fMissingMast
             // Note: It's ok to have expired proposals
             // they are going to be cleared by CGovernanceManager::UpdateCachesAndClean()
             // TODO: should they be tagged as "expired" to skip vote downloading?
-            // DO NOT USE THIS UNTIL MAY, 2018 on mainnet
-            if ((GetAdjustedTime() >= 1526423380 || Params().NetworkIDString() != CBaseChainParams::MAIN) && !validator.Validate(false)) {
+            if (!validator.Validate(false)) {
                 strError = strprintf("Invalid proposal data, error messages: %s", validator.GetErrorMessages());
                 return false;
             }

src/governance.cpp

@@ -450,8 +450,7 @@ void CGovernanceManager::UpdateCachesAndClean()
             mapObjects.erase(it++);
         } else {
             // NOTE: triggers are handled via triggerman
-            // DO NOT USE THIS UNTIL MAY, 2018 on mainnet
-            if ((GetAdjustedTime() >= 1526423380 || Params().NetworkIDString() != CBaseChainParams::MAIN) && pObj->GetObjectType() == GOVERNANCE_OBJECT_PROPOSAL) {
+            if (pObj->GetObjectType() == GOVERNANCE_OBJECT_PROPOSAL) {
                 CProposalValidator validator(pObj->GetDataAsHexString());
                 if (!validator.Validate()) {
                     LogPrintf("CGovernanceManager::UpdateCachesAndClean -- set for deletion expired obj %s\n", (*it).first.ToString());