CLI: Remove unused externalized strings

Change-Id: Id44117dd72b0e71e9bf0046a3c965eeae64cf3ea
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties

@@ -24,7 +24,6 @@ branchNameRequired=branch name required
 branchNotFound=branch ''{0}'' not found.
 cacheTreePathInfo="{0}": {1} entries, {2} children
 cannotBeRenamed={0} cannot be renamed
-cannotChekoutNoHeadsAdvertisedByRemote=cannot checkout; no HEAD advertised by remote
 cannotCombineSquashWithNoff=You cannot combine --squash with --no-ff.
 cannotCreateCommand=Cannot create command {0}
 cannotCreateOutputStream=cannot create output stream
@@ -33,7 +32,6 @@ cannotDeleteFile=error: The following file could not be deleted:
 cannotDeleteTheBranchWhichYouAreCurrentlyOn=Cannot delete the branch ''{0}'' which you are currently on.
 cannotGuessLocalNameFrom=cannot guess local name from {0}
 cannotLock=Cannot lock {0}
-cannotMergeDetachedHead=Cannot merge into detached HEAD
 cannotReadBecause=cannot read {0}: {1}
 cannotReadPackageInformation=Cannot read package information.
 cannotRenameDetachedHEAD=Cannot rename detached HEAD
@@ -64,7 +62,6 @@ expectedNumberOfbytes=Expected {0} bytes.
 exporting=Exporting {0}
 failedToCommitIndex=failed to commit index
 failedToLockIndex=failed to lock index
-failedToLockTag=Failed to lock tag {0}: {1}
 fatalError=fatal: {0}
 fatalThisProgramWillDestroyTheRepository=fatal: This program will destroy the repository\nfatal:\nfatal:\nfatal:    {0}\nfatal:\nfatal: To continue, add {1} to the command line\nfatal:
 fetchingSubmodule=Fetching submodule {0}
@@ -154,7 +151,6 @@ needSingleRevision=Needed a single revision
 noGitRepositoryConfigured=No Git repository configured.
 noNamesFound=No names found, cannot describe anything.
 noSuchFile=no such file: {0}
-noSuchRemoteRef=no such remote ref: ''{0}''
 noSystemConsoleAvailable=No System.console available
 noTREESectionInIndex=no 'TREE' section in index
 nonFastForward=non-fast forward

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java

@@ -138,7 +138,6 @@ public class CLIText extends TranslationBundle {
 	/***/ public String cacheTreePathInfo;
 	/***/ public String configFileNotFound;
 	/***/ public String cannotBeRenamed;
-	/***/ public String cannotChekoutNoHeadsAdvertisedByRemote;
 	/***/ public String cannotCombineSquashWithNoff;
 	/***/ public String cannotCreateCommand;
 	/***/ public String cannotCreateOutputStream;
@@ -147,7 +146,6 @@ public class CLIText extends TranslationBundle {
 	/***/ public String cannotDeleteTheBranchWhichYouAreCurrentlyOn;
 	/***/ public String cannotGuessLocalNameFrom;
 	/***/ public String cannotLock;
-	/***/ public String cannotMergeDetachedHead;
 	/***/ public String cannotReadBecause;
 	/***/ public String cannotReadPackageInformation;
 	/***/ public String cannotRenameDetachedHEAD;
@@ -177,7 +175,6 @@ public class CLIText extends TranslationBundle {
 	/***/ public String exporting;
 	/***/ public String failedToCommitIndex;
 	/***/ public String failedToLockIndex;
-	/***/ public String failedToLockTag;
 	/***/ public String fatalError;
 	/***/ public String fatalThisProgramWillDestroyTheRepository;
 	/***/ public String fetchingSubmodule;
@@ -257,7 +254,6 @@ public class CLIText extends TranslationBundle {
 	/***/ public String noGitRepositoryConfigured;
 	/***/ public String noNamesFound;
 	/***/ public String noSuchFile;
-	/***/ public String noSuchRemoteRef;
 	/***/ public String noTREESectionInIndex;
 	/***/ public String nonFastForward;
 	/***/ public String noSystemConsoleAvailable;