File naming consistency

Sequential numbering for migrations
- Also removed sustainability-up-extras as original sustainbility file had not been run

migrations/011.sustainability-extra.up.sql

@@ -1,67 +0,0 @@
--- BREEAM ratings, one of:
--- - Outstanding
--- - Excellent
--- - Very good
--- - Good
--- - Pass
--- - Unclassified
-CREATE TYPE sust_breeam_rating
-AS ENUM ('Outstanding',
-    'Excellent',
-    'Very good',
-    'Good',
-    'Pass',
-    'Unclassified');
-
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_breeam_rating sust_breeam_rating DEFAULT 'Unclassified';
-
--- Date of BREEAM
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_breeam_date smallint;
-
--- DEC (display energy certifcate, only applies to non domestic buildings)
--- A - G
-CREATE TYPE sust_dec
-AS ENUM ('A',
-    'B',
-    'C',
-    'D',
-    'E',
-    'F',
-    'G');
-
--- Date of DEC YYYY
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_dec_date smallint;
-
-
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_dec sust_dec;
-
--- Aggregate EPC rating (Estimated) for a building, derived from inidividual certificates
--- A+ - G
-CREATE TYPE sust_aggregate_estimate_epc
-AS ENUM ('A',
-    'B',
-    'C',
-    'D',
-    'E',
-    'F',
-    'G');
-
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_aggregate_estimate_epc sust_aggregate_estimate_epc;
-
--- Last significant retrofit date YYYY
-ALTER TABLE buildings
-    ADD COLUMN IF NOT EXISTS sust_retrofit_date smallint;
-
---How much embodied carbon? One for ML, tons CO2 int
-ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_embodied_carbon numeric(7,2);
-
---Life expectancy of the building, via further analysis
-ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_life_expectancy smallint;
-
---Average lifespan of typology based on statistical analysis of similar stock
-ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_lifespan_average smallint;