remove unused and outdated app.conf.dbsync

This file is not currently used and doesn't need to be in the repo. The DB
access info also did not match the current implementation.

src/app.conf.dbsync

@@ -1,30 +0,0 @@
-{
-  "name": "Streamline EMR",
-  "access": {
-    "username": "streamline_sysuser",
-    "password": "82CUF8UftjEx"
-  },
-  "appconfig": {
-    "blockgraph": {
-      "district": "StreamlineEmr",
-      "name": "streamline_emr_config"
-    }
-  },
-  "dbsync": {
-    "blockgraph": {
-      "district": "StreamlineEmr",
-      "name": "streamline_emr_data"
-    },
-    "database": {
-      "type": "mysql",
-      "version": "8.0",
-      "name": "streamline",
-      "username": "root",
-      "password": "streamline",
-      "db_path": "/var/lib/mysql",
-      "logs_path": "/var/lib/mysql/logs",
-      "log_pattern": "bin.[0-9]*",
-      "source": "mysql-app-db"
-    }
-  }
-}