Remove setenvs when running boringssl_self_test.

No longer needed as the code to generate flag files based on
this environment variable is removed in Android 13.

Bug: 231946889
Test: Build and boot,
Change-Id: I8ce57619aa4d1e6457f3f864bf5e403f727c040c
(cherry picked from commit ba830eb81b57f3a1e7be74978d435721b7724e46)
Merged-In: I8ce57619aa4d1e6457f3f864bf5e403f727c040c
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 0bd0e1d..d01192f 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -97,22 +97,18 @@
     exec_start boringssl_self_test_apex64
 
 service boringssl_self_test32 /system/bin/boringssl_self_test32
-    setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg
 
 service boringssl_self_test64 /system/bin/boringssl_self_test64
-    setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg
 
 service boringssl_self_test_apex32 /apex/com.android.conscrypt/bin/boringssl_self_test32
-    setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg
 
 service boringssl_self_test_apex64 /apex/com.android.conscrypt/bin/boringssl_self_test64
-    setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg