init: replace property_get with its android::base equivalent

Slowly try to decouple property_service.cpp from the rest of init.

Test: Boot bullhead
Change-Id: I267ae0b057bca0bf657b97cb8bfbb18199282729
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 6960279..a4d8b5f 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -114,12 +114,6 @@
     return check_mac_perms(ctl_name, sctx, cr);
 }
 
-std::string property_get(const char* name) {
-    char value[PROP_VALUE_MAX] = {0};
-    __system_property_get(name, value);
-    return value;
-}
-
 static void write_persistent_property(const char *name, const char *value)
 {
     char tempPath[PATH_MAX];
@@ -588,10 +582,7 @@
 
 static void load_override_properties() {
     if (ALLOW_LOCAL_PROP_OVERRIDE) {
-        std::string debuggable = property_get("ro.debuggable");
-        if (debuggable == "1") {
-            load_properties_from_file("/data/local.prop", NULL);
-        }
+        load_properties_from_file("/data/local.prop", NULL);
     }
 }