review feedback

 - remove example error messages
 - move instructions for running a local boulder server to its own
   section at the end
 - `docker compose run` != `docker compose up` and `run` is better for `bsetup`

Author: acaird

README.md

@@ -106,41 +106,20 @@ non-obvious ways.
 Before starting Boulder for the first time, run:
 
 ```shell
-docker compose up bsetup
+docker compose run bsetup
 ```
-this will write the necessary certificates into `test/certs/[.softhsm-tokens,ipki,webpki]`;
-if you don't do this, you will get errors like:
+this will write the necessary certificates into
+`test/certs/[.softhsm-tokens,ipki,webpki]`; you only need to run this
+once to create the certificates. If you need to remove all of the
+certificates and start over, you can remove the directories
+`./test/certs/.softhsm-tokens`, `./test/certs/ipki`, and
+`./test/certs/webpki` and re-run `docker compose run bsetup`.
 
-```shell
-bconsul-1    | ==> Failed to load cert/key pair: open test/certs/ipki/consul.boulder/cert.pem: no such file or directory
-[...]
-bconsul-1 exited with code 1
-[...]
-boulder-1    | Error querying DNS. Is consul running? `docker compose ps bconsul`. [Errno -3] Temporary failure in name resolution
-```
-You only need to run this once to create the certificates. If you
-need to remove all of the certificates and start over, you can remove
-the directories `./test/certs/.softhsm-tokens`, `./test/certs/ipki`,
-and `./test/certs/webpki` and re-run `docker compose up bsetup`.
-
-To start Boulder in a Docker container, run:
-
-```shell
-docker compose up
-```
-
-To run our standard battery of tests (lints, unit, integration), first
-type `docker compose down` to stop the running Boulder containers if you
-started them as instructed above, then type:
+To run our standard battery of tests (lints, unit, integration) type:
 
 ```shell
 ./t.sh
 ```
-If you don't do this, you will get errors like:
-
-```shell
-Error response from daemon: failed to set up container networking: Address already in use
-```
 
 To run all unit tests:
 
@@ -238,6 +217,14 @@ Run integration tests (omit `--filter <REGEX>` to run all):
 docker compose run --use-aliases boulder python3 test/integration-test.py --chisel --gotest --filter <REGEX>
 ```
 
+### Starting a local Boulder server
+
+To start Boulder in a Docker container, run:
+
+```shell
+docker compose up
+```
+
 ### Working with Certbot
 
 Check out the Certbot client from https://github.com/certbot/certbot and