sanitycheck: remove obsolete DISABLE_TRYRUN

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/scripts/sanitycheck b/scripts/sanitycheck
index bafd18c..0272e2f 100755
--- a/scripts/sanitycheck
+++ b/scripts/sanitycheck
@@ -2090,8 +2090,6 @@
     global VERBOSE, INLINE_LOGS, CPU_COUNTS, log_file
     args = parse_arguments()
     toolchain = os.environ.get("ZEPHYR_GCC_VARIANT", None)
-    if toolchain == "zephyr":
-        os.environ["DISABLE_TRYRUN"] = "1"
 
     if args.size:
         for fn in args.size: