px4_middleware: remove that header and move px4::init to px4_init.h

delete include:
for i in $(grep -rl 'px4_middleware.h' src platforms); do sed -i '/#include <px4_middleware.h/d' $i; done

platforms/common/px4_work_queue/test/wqueue_main.cpp

@@ -35,8 +35,8 @@
 #include "wqueue_scheduled_test.h"
 
 #include <px4_log.h>
-#include <px4_middleware.h>
 #include <px4_app.h>
+#include <px4_init.h>
 #include <stdio.h>
 
 int PX4_MAIN(int argc, char **argv)

platforms/common/work_queue/wqueue_test/wqueue_main.cpp

@@ -40,7 +40,6 @@
 #include "wqueue_test.h"
 
 #include <px4_log.h>
-#include <px4_middleware.h>
 #include <px4_app.h>
 #include <stdio.h>
 

platforms/nuttx/src/px4/common/px4_nuttx_impl.cpp

@@ -38,7 +38,6 @@
  */
 
 #include <px4_defines.h>
-#include <px4_middleware.h>
 #include <drivers/drv_hrt.h>
 
 namespace px4
@@ -49,9 +48,4 @@ void init(int argc, char *argv[], const char *process_name)
 	printf("process: %s\n", process_name);
 }
 
-uint64_t get_time_micros()
-{
-	return hrt_absolute_time();
-}
-
 }

platforms/posix/src/px4/common/main.cpp

@@ -64,14 +64,13 @@
 
 #include <px4_time.h>
 #include <px4_log.h>
+#include <px4_init.h>
 #include <px4_getopt.h>
 #include <px4_tasks.h>
 #include <px4_posix.h>
 
 #include "apps.h"
-#include "px4_middleware.h"
 #include "DriverFramework.hpp"
-#include "px4_middleware.h"
 #include "px4_daemon/client.h"
 #include "px4_daemon/server.h"
 #include "px4_daemon/pxh.h"

platforms/posix/src/px4/common/px4_posix_impl.cpp

@@ -38,7 +38,6 @@
  */
 
 #include <px4_defines.h>
-#include <px4_middleware.h>
 #include <px4_workqueue.h>
 #include <px4_defines.h>
 #include <stdint.h>
@@ -98,10 +97,5 @@ void init(int argc, char *argv[], const char *app_name)
 #endif
 }
 
-uint64_t get_time_micros()
-{
-	return hrt_absolute_time();
-}
-
 }
 

platforms/posix/src/px4/common/px4_sem.cpp

@@ -38,7 +38,6 @@
  */
 
 #include <px4_defines.h>
-#include <px4_middleware.h>
 #include <px4_workqueue.h>
 #include <px4_time.h>
 #include <stdint.h>

platforms/qurt/src/px4/common/main.cpp

@@ -38,10 +38,10 @@
  * @author Julian Oes <julian@oes.ch>
  */
 
-#include <px4_middleware.h>
 #include <px4_tasks.h>
 #include <px4_time.h>
 #include <px4_posix.h>
+#include <px4_init.h>
 #include <px4_defines.h>
 #include <dspal_platform.h>
 #include <vector>

platforms/qurt/src/px4/common/px4_qurt_impl.cpp

@@ -39,7 +39,6 @@
 
 #include <px4_defines.h>
 #include <px4_tasks.h>
-#include <px4_middleware.h>
 #include <px4_workqueue.h>
 #include <dataman/dataman.h>
 #include <stdint.h>