[LibOS] test/apps: Rewrite Bash example

Jenkinsfiles/Linux-SGX

@@ -67,7 +67,7 @@ pipeline {
                         timeout(time: 5, unit: 'MINUTES') {
                             sh '''
                                 cd LibOS/shim/test/apps/bash
-                                make SGX=1 all sgx-tokens
+                                make SGX=1 all
                                 make SGX=1 regression
                            '''
                         }

Jenkinsfiles/Linux-SGX-18.04

@@ -64,7 +64,7 @@ pipeline {
       timeout(time: 5, unit: 'MINUTES') {
                             sh '''
                                 cd LibOS/shim/test/apps/bash
-                                make SGX=1 all sgx-tokens
+                                make SGX=1 all
                                 make SGX=1 regression
                            '''
       }

LibOS/shim/test/apps

@@ -1 +1 @@
-Subproject commit 622f742f54162d87c0e2a72ded161453dcc11758
+Subproject commit 48c8fef8b60d9a1f732c6819f03d4764abc77365