Remove the old multicol implementation.

Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 349 matching lines @@
     }
 
     checkLayoutAttributesConsistency(this, m_layoutAttributes);
 
     // Reduced version of LayoutBlock::layoutBlock(), which only takes care of SVG text.
     // All if branches that could cause early exit in LayoutBlocks layoutBlock() method are turned into assertions.
     ASSERT(!isInline());
     ASSERT(!simplifiedLayout());
     ASSERT(!scrollsOverflow());
     ASSERT(!hasControlClip());
-    ASSERT(!hasColumns());
     ASSERT(!positionedObjects());
     ASSERT(!m_overflow);
     ASSERT(!isAnonymousBlock());
 
     if (!firstChild())
         setChildrenInline(true);
 
     // FIXME: We need to find a way to only layout the child boxes, if needed.
     FloatRect oldBoundaries = objectBoundingBox();
     ASSERT(childrenInline());
@@ skipping 124 matching lines @@
     SVGResourcesCache::clientWillBeRemovedFromTree(child);
 
     Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
     FontCachePurgePreventer fontCachePurgePreventer;
     subtreeChildWillBeRemoved(child, affectedAttributes);
     LayoutSVGBlock::removeChild(child);
     subtreeChildWasRemoved(affectedAttributes);
 }
 
 }