Fixed #5587 (Server crashes x2).

Enabled debug symbols for vendor projects. 
Removed unused files.

Author: ccw808

mak.vs2008/lua5.1_lib.vcproj

@@ -123,7 +123,7 @@
 				RuntimeTypeInfo="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
-				DebugInformationFormat="0"
+				DebugInformationFormat="3"
 				CompileAs="1"
 				DisableSpecificWarnings="4996"
 			/>
@@ -194,7 +194,7 @@
 				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="true"
 				WarningLevel="3"
-				DebugInformationFormat="0"
+				DebugInformationFormat="3"
 				CompileAs="1"
 				DisableSpecificWarnings="4996"
 			/>