[VD] Remove logic of delete expired cache

WebAppService handle this logic, so WRT remove related logic.

Related Patch:
https://review.tizen.org/gerrit/238437/

Change-Id: I2cb5345e5d72a55c7d550c66184fdc1d9f1db464
Signed-off-by: liwei <wei90727.li@samsung.com>

diff --git a/wrt_app/src/runtime.ts b/wrt_app/src/runtime.ts
old mode 100755 (executable)
new mode 100644 (file)
index 2348fd1..02a15b6
--- a/wrt_app/src/runtime.ts
+++ b/wrt_app/src/runtime.ts
@@ -73,7 +73,6 @@ class Runtime {
       }
       if (wrt.tv) {
         wrt.tv.importCertificate('');
-        wrt.tv.optimizeCache();
         wrt.tv.clearDeadMount();
       }
     });