DELIA-58441: Cobalt Crash observed during destroy in CobaltWindow

Reason for change: removing exit to fix crash.
Test Procedure: refer ticket.
Risks: None
Priority: P1
Signed-off-by: sramul630 <sunil_ramulu@comcast.com>

Change-Id: I0a6053fd80c205f3b321a6231fd61b2b9b1195f4

plugin/CobaltImplementation.cpp

diff --git a/plugin/CobaltImplementation.cpp b/plugin/CobaltImplementation.cpp
index 8f5346b..042fc5a 100644
--- a/plugin/CobaltImplementation.cpp
+++ b/plugin/CobaltImplementation.cpp
@@ -247,7 +247,6 @@
       Block();
       SbRdkQuit();
       Wait(Thread::BLOCKED | Thread::STOPPED | Thread::STOPPING, Core::infinite);
-      exit(_exitCode);
     }
 
     uint32_t Configure(PluginHost::IShell* service) {