doc: checklists for QADB production, and cleanup QA tools and documentation (#361)

Author: c-dilks

.gitignore

@@ -18,7 +18,6 @@ slurm
 tmp
 outfiles
 
-# physics timelines
-qa-physics/QA/qa
+# QADB files
 qaTree*.json*
 chargeTree*.json*

README.md

@@ -8,4 +8,4 @@ Timeline production for CLAS12. Timelines are published to [`clas12mon`](https:/
 | [Setup Guide](/doc/setup.md)                                 | How to compile the timeline code                     |
 | [Detailed Procedure](/doc/procedure.md)                      | Full procedure how to run the timeline code          |
 | [Developers' Notes](/doc/dev_notes.md)                       | Additional notes for developers (_e.g._, flowcharts) |
-| [QADB Production](/qa-physics/README.md)                     | Quality Assurance Database (QADB) production guide   |
+| [QADB Production](/doc/qa.md)                                | Quality Assurance Database (QADB) production guide   |