remove outdated diagrams

diagrams/11-inject/individual-Read-and-Check-PosLength.pdf

diagrams/11-inject/individual-Read-and-Check-PosLength.png

diagrams/11-inject/individual-Read-and-Check-RouteSensor.pdf

diagrams/11-inject/individual-Read-and-Check-RouteSensor.png

...11-inject/individual-Read-and-Check-SemaphoreNeighbor.pdf

...11-inject/individual-Read-and-Check-SemaphoreNeighbor.png

...s/11-inject/individual-Read-and-Check-SwitchMonitored.pdf

...s/11-inject/individual-Read-and-Check-SwitchMonitored.png

diagrams/11-inject/individual-Read-and-Check-SwitchSet.pdf

diagrams/11-inject/individual-Read-and-Check-SwitchSet.png

diagrams/11-inject/individual-Recheck-ConnectedSegments.pdf

diagrams/11-inject/individual-Recheck-ConnectedSegments.png

diagrams/11-inject/individual-Recheck-PosLength.pdf

diagrams/11-inject/individual-Recheck-PosLength.png

diagrams/11-inject/individual-Recheck-RouteSensor.pdf

diagrams/11-inject/individual-Recheck-RouteSensor.png

diagrams/11-inject/individual-Recheck-SemaphoreNeighbor.pdf

diagrams/11-inject/individual-Recheck-SemaphoreNeighbor.png

diagrams/11-inject/individual-Recheck-SwitchMonitored.pdf

diagrams/11-inject/individual-Recheck-SwitchMonitored.png