Remove unused adb_set_transport.

Bug: N/A
Test: builds
Change-Id: I0824d29c080c47e1002abf3520ebed8996bcbcc6
diff --git a/adb_client.cpp b/adb_client.cpp
index 0b1ba32..ef52189 100644
--- a/adb_client.cpp
+++ b/adb_client.cpp
@@ -46,21 +46,11 @@
 
 static const char* __adb_server_socket_spec;
 
-void adb_set_transport(TransportType type, const char* serial)
-{
+void adb_set_transport(TransportType type, const char* serial) {
     __adb_transport = type;
     __adb_serial = serial;
 }
 
-void adb_get_transport(TransportType* type, const char** serial) {
-    if (type) {
-        *type = __adb_transport;
-    }
-    if (serial) {
-        *serial = __adb_serial;
-    }
-}
-
 void adb_set_socket_spec(const char* socket_spec) {
     if (__adb_server_socket_spec) {
         LOG(FATAL) << "attempted to reinitialize adb_server_socket_spec " << socket_spec << " (was " << __adb_server_socket_spec << ")";