Updated plot titles in KdV and KS benchmarks

Author: GodotMisogi

benchmarks/SimpleHandwrittenPDE/kdv_fdm_wpd.jmd

@@ -199,7 +199,7 @@ labels = hcat(
     print_names=true, names=labels, numruns=5, error_estimate=:l2,
     save_everystep=false, appxsol=test_sol, maxiters=Int(1e5));
 
-plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Krylov Linsolve, Low Tolerances")
+plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Low Tolerances")
 ```
 
 #### Exponential Integrators

benchmarks/SimpleHandwrittenPDE/kdv_spectral_wpd.jmd

@@ -194,7 +194,7 @@ labels = hcat(
     print_names=true, names=labels, numruns=5, error_estimate=:l2,
     save_everystep=false, appxsol=test_sol, maxiters=Int(1e5));
 
-plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Krylov Linsolve, Low Tolerances")
+plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Low Tolerances")
 ```
 
 #### Exponential Integrators

benchmarks/SimpleHandwrittenPDE/ks_fdm_wpd.jmd

@@ -197,7 +197,7 @@ labels = hcat(
     print_names=true, names=labels, numruns=5, error_estimate=:l2,
     save_everystep=false, appxsol=test_sol, maxiters=Int(1e5));
 
-plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Krylov Linsolve, Low Tolerances")
+plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Low Tolerances")
 ```
 
 #### Exponential Integrators

benchmarks/SimpleHandwrittenPDE/ks_spectral_wpd.jmd

@@ -194,7 +194,7 @@ labels = hcat(
     print_names=true, names=labels, numruns=5, error_estimate=:l2,
     save_everystep=false, appxsol=test_sol, maxiters=Int(1e5));
 
-plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Krylov Linsolve, Low Tolerances")
+plot(wp, label=labels, markershape=:auto, title="IMEX Methods, Low Tolerances")
 ```
 
 #### Exponential Integrators