remove unused methods

ChangeLog

...l/ics/client/control/command/commandline/CommandLine.java

.../fr/ill/ics/client/control/experiment/ExperimentData.java

...n/java/fr/ill/ics/client/control/experiment/Proposal.java

src/main/java/fr/ill/ics/client/control/experiment/User.java

src/main/java/fr/ill/ics/client/control/log/LogTime.java

.../java/fr/ill/ics/client/control/login/Authentication.java

.../java/fr/ill/ics/client/control/login/UserConnection.java

...r/ill/ics/client/control/parser/ControllerViewParser.java

...n/java/fr/ill/ics/client/control/parser/SurveyParser.java

.../control/parser/descriptor/PlotPreferencesDescriptor.java

...a/fr/ill/ics/client/control/plot/CutPropertyPlotData.java

...nt/control/plugin/setup/GenericControllerSetupPlugin.java

...a/fr/ill/ics/client/control/spy/UncloseableSpyHolder.java

src/main/java/fr/ill/ics/client/control/startup/Startup.java

...va/fr/ill/ics/client/control/survey/SurveyDescriptor.java

...client/view/command/listener/IfPropertyInputListener.java

...ain/java/fr/ill/ics/client/view/log/viewer/LogViewer.java

.../java/fr/ill/ics/client/view/login/LoginSplashDialog.java