fix: rm unused env vars in setup.sh (#489)

For a year now, we have not used the environment variables prefixed with
`JUGGLER_`, and for over 9 months we have not used the `BEAMLINE_`
variables. This finally removes them from the setup script.

templates/setup.sh.in

@@ -5,22 +5,6 @@ export DETECTOR_PATH=@CMAKE_INSTALL_FULL_DATADIR@/@PROJECT_NAME@
 export DETECTOR_CONFIG=@PROJECT_NAME@
 export DETECTOR_VERSION=@GIT_BRANCH@
 
-export BEAMLINE=@PROJECT_NAME@
-export BEAMLINE_PATH=@CMAKE_INSTALL_FULL_DATADIR@/@PROJECT_NAME@
-export BEAMLINE_CONFIG=@PROJECT_NAME@
-export BEAMLINE_VERSION=@GIT_BRANCH@
-
-## note: we will phase out the JUGGLER_* flavor of variables in the future
-export JUGGLER_DETECTOR=$DETECTOR
-export JUGGLER_DETECTOR_CONFIG=$DETECTOR_CONFIG
-export JUGGLER_DETECTOR_VERSION=$DETECTOR_VERSION
-export JUGGLER_DETECTOR_PATH=$DETECTOR_PATH
-
-export JUGGLER_BEAMLINE=$BEAMLINE
-export JUGGLER_BEAMLINE_CONFIG=$BEAMLINE_CONFIG
-export JUGGLER_BEAMLINE_VERSION=$BEAMLINE_VERSION
-export JUGGLER_BEAMLINE_PATH=$BEAMLINE_PATH
-
 ## Export detector libraries
 if [[ "$(uname -s)" = "Darwin" ]] || [[ "$OSTYPE" == "darwin"* ]]; then
 	export DYLD_LIBRARY_PATH="@CMAKE_INSTALL_FULL_LIBDIR@${DYLD_LIBRARY_PATH:+:$DYLD_LIBRARY_PATH}"