AP_Compass: remove set_and_save_offsets taking integer parameters

because the only caller that mattered had floats to offer...

libraries/AP_Compass/AP_Compass.h

@@ -179,17 +179,6 @@ public:
     ///
     void set_initial_location(int32_t latitude, int32_t longitude);
 
-    /// Program new offset values.
-    ///
-    /// @param  i                   compass instance
-    /// @param  x                   Offset to the raw mag_x value in milligauss.
-    /// @param  y                   Offset to the raw mag_y value in milligauss.
-    /// @param  z                   Offset to the raw mag_z value in milligauss.
-    ///
-    void set_and_save_offsets(uint8_t i, int x, int y, int z) {
-        set_and_save_offsets(i, Vector3f(x, y, z));
-    }
-
     // learn offsets accessor
     bool learn_offsets_enabled() const { return _learn == LEARN_INFLIGHT; }
 

libraries/AP_Compass/examples/AP_Compass_test/AP_Compass_test.cpp

@@ -42,7 +42,7 @@ static void setup()
     hal.console->printf("init done - %u compasses detected\n", compass.get_count());
 
     // set offsets to account for surrounding interference
-    compass.set_and_save_offsets(0, 0, 0, 0);
+    compass.set_and_save_offsets(0, Vector3f(0, 0, 0));
     // set local difference between magnetic north and true north
     compass.set_declination(ToRad(0.0f));