fix(drvBase): remove extra getRotationEvent

Author: tyeth

src/components/i2c/drivers/drvBase.h

@@ -511,17 +511,6 @@ class drvBase {
     return false;
   }
 
-  /*!
-      @brief    Gets a sensor's rotation vector value.
-      @param    rotationEvent
-                The rotation vector (x, y, z, w) in radians.
-      @returns  True if the sensor value was obtained successfully, False
-                otherwise.
-  */
-  virtual bool getEventRotationVector(sensors_event_t *rotationEvent) {
-    return false;
-  }
-
   /*!
       @brief    Gets a sensor's Raw value.
       @param    rawEvent