[functional tests] Remove dependency on the ThunderChez library.

I've just moved the relevant code into the functional-tests dir.

functional-tests/srfi/s19/time/compat.chezscheme.sls

@@ -0,0 +1,26 @@
+
+(library (srfi s19 time compat)
+
+  (export format
+          host:time-resolution
+          host:current-time 
+          host:time-nanosecond 
+          host:time-second 
+          host:time-gmt-offset)
+
+  (import (chezscheme)
+          (prefix (only (chezscheme)
+                        current-time
+                        time-nanosecond
+                        time-second)
+                  host:))
+
+  (define host:time-resolution 1000)
+
+  ;; (define (host:time-gmt-offset t)
+  ;;   (date-zone-offset t))
+
+  (define (host:time-gmt-offset t)
+    (date-zone-offset (time-utc->date t)))
+    
+  )