Remove the concept of named, identifiable runs.

StarBoss is meant for building things checked into the repo It is also designed
around repeatable builds. So it makes the assumption that running a build step
for a specific version of a project will always result in the same output. So
runs are identified by the project, build step, and version.

src/test/nim/unit/tconfiguration.nim

@@ -21,7 +21,6 @@ suite "load and save configuration objects":
 
   test "parseRunRequest":
     let rr1 = RunRequest(
-      id: genUUID(),
       projectName: testProjDef.name,
       stepName: "build",
       buildRef: "master",