Fix duplicate newlines at the end of files

src/drivers/osd/atxxxx/symbols.h

@@ -116,4 +116,3 @@
 #define OSD_SYMBOL_ON_M                    0x9B
 #define OSD_SYMBOL_FLY_M                   0x9C
 #define OSD_SYMBOL_FLIGHT_TIME             0x70
-

src/drivers/osd/msp_osd/MessageDisplay/MessageDisplayTest.cpp

@@ -161,4 +161,3 @@ TEST_F(MessageDisplayTest, testMessageDisplayWarning)
 	strncpy(correct, ground_truth, FULL_MSG_LENGTH);
 	EXPECT_STREQ(message, correct);
 }
-

src/drivers/osd/msp_osd/MspV1.hpp

@@ -43,4 +43,3 @@ public:
 private:
 	int _fd{-1};
 };
-

src/drivers/osd/msp_osd/msp_defines.h

@@ -848,4 +848,3 @@ enum betaflightDJIModesMask_e {
 // 0b00100000 resc
 // 0b01000000 acro
 // 0b10000000 acro
-

src/drivers/osd/msp_osd/msp_osd.hpp

@@ -172,4 +172,3 @@ private:
 	char _device[64] {};
 	PerformanceData _performance_data{};
 };
-