Updated runtime files. Remove version checks for Vim older than 6.0.

runtime/syntax/gsp.vim

@@ -5,11 +5,8 @@
 " Filenames:    *.gsp
 " URL:		http://www.constructicon.com/~nharward/vim/syntax/gsp.vim
 
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
   finish
 endif
 
@@ -18,21 +15,13 @@ if !exists("main_syntax")
 endif
 
 " Source HTML syntax
-if version < 600
-  source <sfile>:p:h/html.vim
-else
-  runtime! syntax/html.vim
-endif
+runtime! syntax/html.vim
 unlet b:current_syntax
 
 syn case match
 
 " Include Java syntax
-if version < 600
-  syn include @gspJava <sfile>:p:h/java.vim
-else
-  syn include @gspJava syntax/java.vim
-endif
+syn include @gspJava syntax/java.vim
 
 let s:cpo_save = &cpo
 set cpo&vim