Remove unneccessary files

Zeichnungen/1_DoF.pdf

Zeichnungen/2_DoF.pdf

bags/1dof_joint_st_const/1dof_joint_st_const_0.db3

bags/1dof_joint_st_const/metadata.yaml

bags/1dof_joint_states/1dof_joint_states_0.db3

bags/1dof_joint_states/metadata.yaml

bags/2dof_joint_states/2dof_joint_states_0.db3

bags/2dof_joint_states/metadata.yaml

bags/2dof_joint_states_sim/2dof_joint_states_sim_0.db3

bags/2dof_joint_states_sim/metadata.yaml

bags/2dof_joint_states_suc/2dof_joint_states_suc_0.db3

bags/2dof_joint_states_suc/metadata.yaml

...oint_states_successive/2dof_joint_states_successive_0.db3

bags/2dof_joint_states_successive/metadata.yaml

bags/3dof_joint_states_sim/3dof_joint_states_sim_0.db3

bags/3dof_joint_states_sim/metadata.yaml

bags/3dof_joint_states_suc/3dof_joint_states_suc_0.db3

bags/3dof_joint_states_suc/metadata.yaml

...oint_states_successive/3dof_joint_states_successive_0.db3

bags/3dof_joint_states_successive/metadata.yaml