Removing NoSQL/SQL subcategories

Author: carols10cents

src/categories.txt

@@ -25,8 +25,6 @@ libraries::compression Libraries::Compression
 libraries::concurrency Libraries::Concurrency
 libraries::cryptography Libraries::Cryptography
 libraries::database Libraries::Database
-libraries::database::nosql Libraries::Database::NoSQL
-libraries::database::sql Libraries::Database::SQL
 libraries::data-structures Libraries::Data structures
 libraries::date-and-time Libraries::Date and time
 libraries::distributed-systems Libraries::Distributed systems