Merge branch 'eliminate-dumb-constant' into 'master'

Remove HIVE_SOFT_MAX_BLOCK_SIZE

See merge request !247

hived/pyresttest_api_tests/database_api/get_config.json.pat

@@ -145,7 +145,6 @@
     "HIVE_HBD_STOP_PERCENT_HF20": 1000,
     "HIVE_SECONDS_PER_YEAR": 31536000,
     "HIVE_SECOND_CASHOUT_WINDOW": 259200,
-    "HIVE_SOFT_MAX_BLOCK_SIZE": 2097152,
     "HIVE_SOFT_MAX_COMMENT_DEPTH": 255,
     "HIVE_START_MINER_VOTING_BLOCK": 864000,
     "HIVE_START_VESTING_BLOCK": 201600,