Assorted cleanups

- Remove DataDog
- Remove token_supply table
- Drop from more tables when cleaning DB for tests

db/schema.sql

@@ -2,8 +2,8 @@
 -- PostgreSQL database dump
 --
 
--- Dumped from database version 10.5
--- Dumped by pg_dump version 10.5
+-- Dumped from database version 10.6
+-- Dumped by pg_dump version 10.6
 
 SET statement_timeout = 0;
 SET lock_timeout = 0;
@@ -368,38 +368,6 @@ CREATE SEQUENCE public.receipts_id_seq
 ALTER SEQUENCE public.receipts_id_seq OWNED BY public.receipts.id;
 
 
---
--- Name: token_supply; Type: TABLE; Schema: public; Owner: -
---
-
-CREATE TABLE public.token_supply (
-    id integer NOT NULL,
-    block_id integer NOT NULL,
-    supply numeric NOT NULL,
-    token_address character varying(66) NOT NULL
-);
-
-
---
--- Name: token_supply_id_seq; Type: SEQUENCE; Schema: public; Owner: -
---
-
-CREATE SEQUENCE public.token_supply_id_seq
-    AS integer
-    START WITH 1
-    INCREMENT BY 1
-    NO MINVALUE
-    NO MAXVALUE
-    CACHE 1;
-
-
---
--- Name: token_supply_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
---
-
-ALTER SEQUENCE public.token_supply_id_seq OWNED BY public.token_supply.id;
-
-
 --
 -- Name: transactions; Type: TABLE; Schema: public; Owner: -
 --
@@ -555,13 +523,6 @@ ALTER TABLE ONLY public.queued_storage ALTER COLUMN id SET DEFAULT nextval('publ
 ALTER TABLE ONLY public.receipts ALTER COLUMN id SET DEFAULT nextval('public.receipts_id_seq'::regclass);
 
 
---
--- Name: token_supply id; Type: DEFAULT; Schema: public; Owner: -
---
-
-ALTER TABLE ONLY public.token_supply ALTER COLUMN id SET DEFAULT nextval('public.token_supply_id_seq'::regclass);
-
-
 --
 -- Name: transactions id; Type: DEFAULT; Schema: public; Owner: -
 --
@@ -754,14 +715,6 @@ ALTER TABLE ONLY public.receipts
     ADD CONSTRAINT blocks_fk FOREIGN KEY (block_id) REFERENCES public.blocks(id) ON DELETE CASCADE;
 
 
---
--- Name: token_supply blocks_fk; Type: FK CONSTRAINT; Schema: public; Owner: -
---
-
-ALTER TABLE ONLY public.token_supply
-    ADD CONSTRAINT blocks_fk FOREIGN KEY (block_id) REFERENCES public.blocks(id) ON DELETE CASCADE;
-
-
 --
 -- Name: checked_headers checked_headers_header_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: -
 --