diff: remove unused methods

platform/diff-impl/src/com/intellij/diff/tools/fragmented/ChangedBlock.java

@@ -82,14 +82,6 @@ public class ChangedBlock {
     return myLine2;
   }
 
-  public boolean hasInsertion() {
-    return myStartOffset2 != myEndOffset2;
-  }
-
-  public boolean hasDeletion() {
-    return myStartOffset1 != myEndOffset1;
-  }
-
   @NotNull
   public LineFragment getLineFragment() {
     return myLineFragment;

platform/diff-impl/src/com/intellij/diff/tools/util/FoldingModelSupport.java

@@ -85,14 +85,6 @@ public class FoldingModelSupport {
   // Init
   //
 
-  @Deprecated
-  protected void install(@Nullable final Iterator<int[]> changedLines,
-                         @NotNull final UserDataHolder context,
-                         final boolean defaultExpanded,
-                         final int range) {
-    install(changedLines, context, new Settings(range, defaultExpanded));
-  }
-
   /*
    * Iterator returns ranges of changed lines: start1, end1, start2, end2, ...
    */
@@ -498,11 +490,6 @@ public class FoldingModelSupport {
     }
   }
 
-  @Deprecated
-  public void updateContext(@NotNull UserDataHolder context, boolean defaultState) {
-    updateContext(context, new Settings(0, defaultState));
-  }
-
   public void updateContext(@NotNull UserDataHolder context, @NotNull final Settings settings) {
     if (myFoldings.isEmpty()) return; // do not rewrite cache by initial state
     context.putUserData(CACHE_KEY, getFoldingCache(settings));

platform/diff-impl/src/com/intellij/diff/tools/util/LineFragmentCache.java

@@ -47,14 +47,6 @@ public class LineFragmentCache {
     myFragments = new HashMap<ComparisonPolicy, PolicyData>(3);
   }
 
-  public long getStamp1() {
-    return myModificationStamp1;
-  }
-
-  public long getStamp2() {
-    return myModificationStamp2;
-  }
-
   public boolean checkStamps(long stamp1, long stamp2) {
     return myModificationStamp1 == stamp1 && myModificationStamp2 == stamp2;
   }