Remove rust-bert

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

support/clickhouse/docker-entrypoint-initdb.d/0000_init.sql

@@ -51,8 +51,6 @@ CREATE TABLE IF NOT EXISTS qrust.news (
     source String,
     summary String,
     content String,
-    sentiment Enum('positive' = 1, 'neutral' = 0, 'negative' = -1),
-    confidence Float64,
     url String,
     INDEX index_symbols symbols TYPE bloom_filter()
 )