core: refactor types for DB entity (#5945)

simplex-chat.cabal

@@ -256,6 +256,7 @@ library
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
     , crypton ==0.34.*
+    , crypton-x509 ==1.7.*
     , data-default ==0.7.*
     , directory ==1.3.*
     , email-validate ==2.3.*
@@ -271,7 +272,6 @@ library
     , optparse-applicative >=0.15 && <0.17
     , random >=1.1 && <1.3
     , record-hasfield ==1.0.*
-    , scientific ==0.3.7.*
     , simple-logger ==0.1.*
     , simplexmq >=6.3
     , socks ==0.6.*