Deleted legacy parameters beta_sei and beta_plating

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 -   Added new parameter `Ratio of lithium moles to SEI moles` (short name z_sei) to fix a bug where this number was incorrectly hardcoded to 1. ([#2222](https://github.com/pybamm-team/PyBaMM/pull/2222))
 -   Changed short name of parameter `Inner SEI reaction proportion` from alpha_SEI to inner_sei_proportion, to avoid confusion with transfer coefficients. ([#2222](https://github.com/pybamm-team/PyBaMM/pull/2222))
+-   Deleted legacy parameters with short names beta_sei and beta_plating. ([#2222](https://github.com/pybamm-team/PyBaMM/pull/2222))
 -   Corrected initial SEI thickness for OKane2022 parameter set. ([#2218](https://github.com/pybamm-team/PyBaMM/pull/2218))
 
 ## Optimizations

pybamm/parameters/lithium_ion_parameters.py

@@ -412,9 +412,6 @@ def _set_dimensionless_parameters(self):
 
         self.c_sei_init = self.c_ec_0_dim / self.c_sei_outer_scale
 
-        # I don't think this gets used anywhere?
-        self.beta_sei = self.n.a_typ * self.L_sei_0_dim * self.Gamma_SEI
-
         # lithium plating parameters
         self.c_plated_Li_0 = self.c_plated_Li_0_dim / self.c_Li_typ
 
@@ -426,9 +423,6 @@ def _set_dimensionless_parameters(self):
             self.F * self.c_Li_typ
         )
 
-        # Does this get used anywhere?
-        self.beta_plating = self.Gamma_plating * self.V_bar_plated_Li * self.c_Li_typ
-
         # Initial conditions
         self.c_e_init = self.c_e_init_dimensional / self.c_e_typ
         self.ocv_init = (self.ocv_init_dim - self.ocv_ref) / self.potential_scale