fix(tier4_camera_view_rviz_plugin): fix clang-diagnostic-unused-const-variable (#9438)

Signed-off-by: veqcc <ryuta.kambe@tier4.jp>

Author: veqcc

common/tier4_camera_view_rviz_plugin/src/bird_eye_view_controller.cpp

@@ -62,9 +62,6 @@ static const Ogre::Quaternion ROBOT_TO_CAMERA_ROTATION =
   Ogre::Quaternion(Ogre::Radian(-Ogre::Math::HALF_PI), Ogre::Vector3::UNIT_Y) *
   Ogre::Quaternion(Ogre::Radian(-Ogre::Math::HALF_PI), Ogre::Vector3::UNIT_Z);
 
-static const float PITCH_LIMIT_LOW = -Ogre::Math::HALF_PI + 0.001;
-static const float PITCH_LIMIT_HIGH = Ogre::Math::HALF_PI - 0.001;
-
 BirdEyeViewController::BirdEyeViewController() : dragging_(false)
 {
   scale_property_ = new rviz_common::properties::FloatProperty(

common/tier4_camera_view_rviz_plugin/src/third_person_view_controller.cpp

@@ -68,7 +68,6 @@ static const float PITCH_START = Ogre::Math::HALF_PI / 3;
 static const float YAW_START = Ogre::Math::PI;
 static const float DISTANCE_START = 30;
 static const float FOCAL_SHAPE_SIZE_START = 0.05;
-static const bool FOCAL_SHAPE_FIXED_SIZE = true;
 static const char * TARGET_FRAME_START = "base_link";
 
 // move camera up so the focal point appears in the lower image half