Revert "Default 'persist.sys.timezone' property to GMT if not set on init."

Telephony code depends on persist.sys.timezone not being set as a signal 
to deduce a timezone from sim card information.

This reverts commit 20e020536ebf999c4acb759960ae6e4bfff6ba67.

Bug: 64056758
Change-Id: I8db204bcffbdb960124b1ae0e02d53b27dd310a4

1 files changed, 0 insertions, 9 deletions

diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 99ad00b65d18..ca2b89ee3194 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -241,15 +241,6 @@ public final class SystemServer {
                 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
             }
 
-            //
-            // Default the timezone property to GMT if not set.
-            //
-            String timezoneProperty =  SystemProperties.get("persist.sys.timezone");
-            if (timezoneProperty == null || timezoneProperty.isEmpty()) {
-                Slog.w(TAG, "Timezone not set; setting to GMT.");
-                SystemProperties.set("persist.sys.timezone", "GMT");
-            }
-
             // If the system has "persist.sys.language" and friends set, replace them with
             // "persist.sys.locale". Note that the default locale at this point is calculated
             // using the "-Duser.locale" command line flag. That flag is usually populated by