remove db utils

src/utils/dbUtils.js

@@ -1,29 +0,0 @@
-import PouchDB from 'pouchdb';
-
-export function getLegalDBName(input) {
-  return encodeURIComponent(input.toLowerCase())
-    .replace(/\./g, '%2E')
-    .replace(/!/g, '%21')
-    .replace(/~/g, '%7E')
-    .replace(/\*/g, '%2A')
-    .replace(/'/g, '%27')
-    .replace(/\(/g, '%28')
-    .replace(/\)/g, '%29')
-    .replace(/\-/g, '%2D')
-    .toLowerCase()
-    .replace(/(%..)/g, esc => `(${esc.substr(1)})`);
-}
-
-export function getDbUrl(db) {
-  if (db.user) {
-    return `${db.protocol}${encodeURIComponent(db.user)}:${encodeURIComponent(db.password)}@${db.host}`;
-  } else {
-    return `${db.protocol}${db.host}`;
-  }
-}
-
-const dbs = {};
-export function getDb(dbUrl) {
-  if (!dbs[dbUrl]) dbs[dbUrl] = new PouchDB(dbUrl);
-  return dbs[dbUrl];
-}