Remove silly diff file

ThirdParty/PSMTabBarControl/iTermDiffs/changeIdentifier.diff

-Index: source/PSMTabBarControl.h
-===================================================================
---- source/PSMTabBarControl.h	(revision 255)
-+++ source/PSMTabBarControl.h	(working copy)
-@@ -154,6 +154,7 @@
- - (void)setAutomaticallyAnimates:(BOOL)value;
- - (int)tabLocation;
- - (void)setTabLocation:(int)value;
-+- (void)changeIdentifier:(id)newIdentifier atIndex:(int)theIndex;
- 
- // accessors
- - (NSTabView *)tabView;
-@@ -177,6 +178,7 @@
- 
- // internal bindings methods also used by the tab drag assistant
- - (void)bindPropertiesForCell:(PSMTabBarCell *)cell andTabViewItem:(NSTabViewItem *)item;
-+- (void)disconnectItem:(NSObjectController*)item fromCell:(PSMTabBarCell*)cell;
- - (void)removeTabForCell:(PSMTabBarCell *)cell;
- 
- @end
-Index: source/PSMTabBarControl.m
-===================================================================
---- source/PSMTabBarControl.m	(revision 255)
-+++ source/PSMTabBarControl.m	(working copy)
-@@ -519,6 +519,19 @@
-     //[self update];
- }
- 
-+- (void)disconnectItem:(NSObjectController*)item fromCell:(PSMTabBarCell*)cell
-+{
-+    if ([item respondsToSelector:@selector(isProcessing)]) {
-+        [item removeObserver:cell forKeyPath:@"isProcessing"];
-+    }
-+    if ([item respondsToSelector:@selector(icon)]) {
-+        [item removeObserver:cell forKeyPath:@"icon"];
-+    }
-+    if ([item respondsToSelector:@selector(objectCount)]) {
-+        [item removeObserver:cell forKeyPath:@"objectCount"];
-+    }
-+}
-+
- - (void)removeTabForCell:(PSMTabBarCell *)cell
- {
-     NSObjectController *item = [[cell representedObject] identifier];
-@@ -531,16 +544,7 @@
-     [cell unbind:@"count"];
- 
-     if (item != nil) {
--
--        if ([item respondsToSelector:@selector(isProcessing)]) {
--            [item removeObserver:cell forKeyPath:@"isProcessing"];
--        }
--        if ([item respondsToSelector:@selector(icon)]) {
--            [item removeObserver:cell forKeyPath:@"icon"];
--        }
--        if ([item respondsToSelector:@selector(objectCount)]) {
--            [item removeObserver:cell forKeyPath:@"objectCount"];
--        }
-+        [self disconnectItem:item fromCell:cell];
-     }
- 
-     // stop watching identifier
-@@ -1985,6 +1989,24 @@
-     [self update];
- }
- 
-+- (void)changeIdentifier:(id)newIdentifier atIndex:(int)theIndex
-+{
-+    PSMTabBarCell *cell;
-+    NSTabViewItem* tabViewItem = [tabView tabViewItemAtIndex:theIndex];
-+    assert(tabViewItem);
-+    NSEnumerator *e = [_cells objectEnumerator];
-+    while ( (cell = [e nextObject])) {
-+        if ([cell representedObject] == tabViewItem) {
-+            [self disconnectItem:[tabViewItem identifier] fromCell:cell];
-+            [[cell representedObject] removeObserver:self forKeyPath:@"identifier"];
-+            [tabViewItem setIdentifier:newIdentifier];
-+            [self bindPropertiesForCell:cell andTabViewItem:tabViewItem];
-+            return;
-+        }
-+    }
-+    assert(false);
-+}
-+
- #pragma mark -
- #pragma mark Convenience
-