Delete the checked-in webkit .vcproj (and ancillary .sln) files.

webkit/build/JSConfig/V8Config.vcproj

Index: webkit/build/JSConfig/V8Config.vcproj
===================================================================
--- webkit/build/JSConfig/V8Config.vcproj	(revision 15753)
+++ webkit/build/JSConfig/V8Config.vcproj	(working copy)
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="8.00"
-	Name="V8Config"
-	ProjectGUID="{2E2D3301-2EC4-4C0F-B889-87073B30F673}"
-	RootNamespace="V8Config"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			ConfigurationType="10"
-			InheritedPropertySheets="$(SolutionDir)..\build\common.vsprops;$(SolutionDir)..\build\debug.vsprops"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-				CommandLine="prebuild.bat $(OutDir) v8"
-				AdditionalDependencies="$(ProjectDir)..\..\config.h.in"
-				Outputs="$(OutDir)\obj\WebCore\config.h"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			ConfigurationType="10"
-			InheritedPropertySheets="$(SolutionDir)..\build\common.vsprops;$(SolutionDir)..\build\release.vsprops"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-				CommandLine="prebuild.bat $(OutDir) v8"
-				AdditionalDependencies="$(ProjectDir)..\..\config.h.in"
-				Outputs="$(OutDir)\obj\WebCore\config.h"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath=".\create-config.sh"
-			>
-		</File>
-		<File
-			RelativePath=".\prebuild.bat"
-			>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>