Remove redundant functors typedef

CHANGELOG.md

@@ -51,6 +51,7 @@ v5.3.0
 - Fix TimeIntegrationDemo.cpp and add ESDIRK tst files to the CI (!1485)
 - Add DIRKOrder1, BDFImplicitOrder3, BDFImplicitOrder4, RungeKutta1, and RungeKutta3 schemes to the register (!1485)
 - Use DIRK (instead of IMEXdirk) schemes for the start-up phase of high-order BDF and AM schemes (!1485).
+- Remove redundant functor typedef (!1498)
 
 **Python**
 - Add wrappers for Interpreter and Equation classes (!1329)

library/LibUtilities/TimeIntegration/TimeIntegrationTypes.hpp

@@ -61,13 +61,6 @@ typedef const AT<      const std::complex<NekDouble>>   ConstComplexSingleArray;
 typedef       AT<            std::complex<NekDouble>>        ComplexSingleArray;
 // clang-format on
 
-// Functors
-typedef std::function<void(ConstDoubleArray &, DoubleArray &, const NekDouble)>
-    FunctorType1;
-typedef std::function<void(ConstDoubleArray &, DoubleArray &, const NekDouble,
-                           const NekDouble)>
-    FunctorType2;
-
 // Shared pointers
 class TimeIntegrationScheme;