liblog: remove a few unused items

Test: build
Change-Id: I8a31ad3a9fcd6f74f3a0221d38b64e8e2ea7ea2d
diff --git a/liblog/logd_reader.cpp b/liblog/logd_reader.cpp
index d5bf844..e372dce 100644
--- a/liblog/logd_reader.cpp
+++ b/liblog/logd_reader.cpp
@@ -66,7 +66,6 @@
                             struct android_log_transport_context* transp, char* buf, size_t len);
 
 struct android_log_transport_read logdLoggerRead = {
-    .node = {&logdLoggerRead.node, &logdLoggerRead.node},
     .name = "logd",
     .available = logdAvailable,
     .version = logdVersion,
diff --git a/liblog/logger.h b/liblog/logger.h
index 79a9609..8cae66c 100644
--- a/liblog/logger.h
+++ b/liblog/logger.h
@@ -31,8 +31,6 @@
   void* priv;
   atomic_int sock;
   atomic_int fd;
-  struct listnode* node;
-  atomic_uintptr_t atomic_pointer;
 };
 
 struct android_log_transport_write {
@@ -53,7 +51,6 @@
 struct android_log_logger;
 
 struct android_log_transport_read {
-  struct listnode node;
   const char* name; /* human name to describe the transport */
 
   /* Does not cause resources to be taken */
@@ -148,6 +145,4 @@
 int __android_log_trylock();
 void __android_log_unlock();
 
-extern int __android_log_transport;
-
 __END_DECLS
diff --git a/liblog/pmsg_reader.cpp b/liblog/pmsg_reader.cpp
index 005fec8..2db45a1 100644
--- a/liblog/pmsg_reader.cpp
+++ b/liblog/pmsg_reader.cpp
@@ -37,7 +37,6 @@
                      struct android_log_transport_context* transp);
 
 struct android_log_transport_read pmsgLoggerRead = {
-    .node = {&pmsgLoggerRead.node, &pmsgLoggerRead.node},
     .name = "pmsg",
     .available = pmsgAvailable,
     .version = pmsgVersion,