Revert "Add systrace tag for system property"

Revert "Add systrace tag for system property"

Revert "Adding system property tracing"

Revert submission 12208265-sysprop_trace

Reason for revert: cause BB on several branches 
Reverted Changes:
I6f85f3f52:Add systrace tag for system property
I6f85f3f52:Add systrace tag for system property
I18dae8357:Add systrace tag for system property
Id2b93acb2:Adding system property tracing
Id78992d23:Add systrace tag for system property
I1ba9fc7bd:Add systrace tag for system property

Change-Id: I76d3e139c5fafe78e5beb295c77fd80670e36c48
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 90a5a2a..28fdaa4 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -124,7 +124,6 @@
     { "aidl",       "AIDL calls",               ATRACE_TAG_AIDL, { } },
     { "nnapi",      "NNAPI",                    ATRACE_TAG_NNAPI, { } },
     { "rro",        "Runtime Resource Overlay", ATRACE_TAG_RRO, { } },
-    { "sysprop",    "System Property",          ATRACE_TAG_SYSPROP, { } },
     { k_coreServiceCategory, "Core services", 0, { } },
     { k_pdxServiceCategory, "PDX services", 0, { } },
     { "sched",      "CPU Scheduling",   0, {