MAINT-2081: Remove ancient snapshot of CMake GetPrerequisites.

Mani captured that snapshot back when CMake version 2.8 was newer than what
was running on our build systems. Now we have to assume that the bundled
GetPrerequisites.cmake is better than our old snapshot. Use the bunded one.

indra/cmake/CMakeLists.txt

@@ -44,7 +44,6 @@ set(cmake_SOURCE_FILES
     GLH.cmake
     GLOD.cmake
 ##  GStreamer010Plugin.cmake
-    GetPrerequisites_2_8.cmake
     GoogleBreakpad.cmake
     GoogleMock.cmake
     Havok.cmake

indra/cmake/DeploySharedLibs.cmake

@@ -7,10 +7,7 @@
 # SEARCH_DIRS= The full paths to dirs to search for dependencies.
 # DST_PATH= The full path where the dependecies will be copied. 
 
-# *FIX:Mani - I pulled in the CMake 2.8 GetPrerequisites.cmake script here, because it works on windows where 2.6 did not.
-# Once we have officially upgraded to 2.8 we can just use that version of GetPrerequisites.cmake.
-get_filename_component(current_dir ${CMAKE_CURRENT_LIST_FILE} PATH)
-include(${current_dir}/GetPrerequisites_2_8.cmake)
+include(GetPrerequisites)
 
 message(STATUS "Getting recursive dependencies for file: ${BIN_NAME}")