Fix duplicate newlines at the end of files

src/systemcmds/actuator_test/CMakeLists.txt

@@ -37,4 +37,3 @@ px4_add_module(
 	SRCS
 		actuator_test.cpp
 	)
-

src/systemcmds/dumpfile/CMakeLists.txt

@@ -39,4 +39,3 @@ px4_add_module(
 		dumpfile.cpp
 	DEPENDS
 	)
-

src/systemcmds/led_control/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 		led_control.cpp
 	DEPENDS
 	)
-

src/systemcmds/mtd/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 		mtd.cpp
 	DEPENDS
 	)
-

src/systemcmds/nshterm/CMakeLists.txt

@@ -39,4 +39,3 @@ px4_add_module(
 		nshterm.cpp
 	DEPENDS
 	)
-

src/systemcmds/reboot/CMakeLists.txt

@@ -39,4 +39,3 @@ px4_add_module(
 	DEPENDS
 		px4_platform
 	)
-

src/systemcmds/reflect/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 		reflect.c
 	DEPENDS
 	)
-

src/systemcmds/sd_bench/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 		sd_bench.cpp
 	DEPENDS
 	)
-

src/systemcmds/serial_test/.gitignore

@@ -1,3 +1,2 @@
 
 /serial_test
-

src/systemcmds/tests/test_file2.c

@@ -224,4 +224,3 @@ int test_file2(int argc, char *argv[])
 
 	return test_corruption(filename, write_chunk, write_size, flags);
 }
-

src/systemcmds/topic_listener/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 	SRCS
 		listener_main.cpp
 	)
-

src/systemcmds/usb_connected/CMakeLists.txt

@@ -38,4 +38,3 @@ px4_add_module(
 		usb_connected.cpp
 	DEPENDS
 	)
-