Removes use and dependency on sqlalchemy_utils

Only used to test if 'paws' db exists and create if not, but already
 being created in docker-compose.yml

Author: c-simpson

src/server/config.py

@@ -1,6 +1,5 @@
 import os
 import sqlalchemy as db
-from sqlalchemy_utils import database_exists, create_database
 
 import models
 
@@ -39,9 +38,6 @@
 
 engine = db.create_engine(DB)
 
-if not database_exists(engine.url):
-    create_database(engine.url)
-
 with engine.connect() as connection:
     models.Base.metadata.create_all(connection)
     # This is safe: by default, will check first to ensure tables don't already exist

src/server/requirements.txt

@@ -3,7 +3,6 @@ pandas==1.0.0
 numpy==1.18.1
 fuzzywuzzy==0.17.0
 sqlalchemy < 1.4.0   # Import error with 1.4.0 on _ColumnEntity
-sqlalchemy_utils
 psycopg2-binary==2.8.4
 python-Levenshtein-wheels
 xlrd==1.2.0  # currently used for xlsx, but we should consider adjusting code to openpyxl for xlsx