Remove obsolete coefficient calculation from Matlab implementation

Author: dlaidig

CHANGELOG.md

@@ -18,6 +18,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Removed obsolete (and unused) `restMagLpB` and `restMagLpA` filter coefficient calculation in Matlab implementation.
 
 ## [2.0.0] - 2022-10-28
 ### Changed

vqf/matlab/VQF.m

@@ -1053,7 +1053,6 @@ function setup(obj)
 
             [obj.coeffs.restGyrLpB, obj.coeffs.restGyrLpA] = obj.filterCoeffs(obj.params.restFilterTau, obj.coeffs.gyrTs);
             [obj.coeffs.restAccLpB, obj.coeffs.restAccLpA] = obj.filterCoeffs(obj.params.restFilterTau, obj.coeffs.accTs);
-            [obj.coeffs.restMagLpB, obj.coeffs.restMagLpA] = obj.filterCoeffs(obj.params.restFilterTau, obj.coeffs.magTs);
 
             obj.coeffs.kMagRef = obj.gainFromTau(obj.params.magRefTau, obj.coeffs.magTs);
             if obj.params.magCurrentTau > 0