Removed a test scaling relation (#1413)

Signed-off-by: rz-wang <rzwang@umich.edu>

Author: rz-wang

xga/relations/clusters/RT.py

@@ -30,12 +30,6 @@
                                   relation_year='2006', relation_doi='10.1086/500288', dim_hubb_ind=1, core_excised=True,
                                   core_radius_fraction = 0.15, outer_aperture='R2500')
 
-vikhlinin_r2500_test = ScalingRelation(np.array([1.64/3, 351]), np.array([0.06/3, 5]), power_law, Quantity(5, 'keV'),
-                                  Quantity(1, 'kpc'), r"T$_{\rm{x}}$", "E(z)R$_{2500}$", x_lims=Quantity([1, 12], 'keV'),
-                                  relation_name=r'R$_{2500}$-Temperature', relation_author='Vikhlinin et al.',
-                                  relation_year='2006', relation_doi='10.1086/500288', dim_hubb_ind=1, core_excised=True,
-                                  core_radius_fraction = 0.15, outer_aperture='r199')
-
 # These are equivelant relations specifically measured from the hot clusters (T > 3.5keV) in their sample
 arnaud_r200_hot = ScalingRelation(np.array([0.5, 1714]), np.array([0.05, 30]), power_law, Quantity(5, 'keV'),
                                   Quantity(1, 'kpc'), r"T$_{\rm{x}}$", "E(z)R$_{200}$", x_lims=Quantity([1, 12], 'keV'),