GSL no longer requirement for FESeries::Legendre in tests.

diff --git a/tests/fe/fe_series_02.with_gsl=on.output b/tests/fe/fe_series_02.output
similarity index 100%
rename from tests/fe/fe_series_02.with_gsl=on.output
rename to tests/fe/fe_series_02.output

diff --git a/tests/fe/fe_series_04.with_gsl=on.output b/tests/fe/fe_series_04.output
similarity index 100%
rename from tests/fe/fe_series_04.with_gsl=on.output
rename to tests/fe/fe_series_04.output

diff --git a/tests/fe/fe_series_05.with_gsl=on.output b/tests/fe/fe_series_05.output
similarity index 100%
rename from tests/fe/fe_series_05.with_gsl=on.output
rename to tests/fe/fe_series_05.output

diff --git a/tests/hp/laplace_mitchell2014_04_peak.with_trilinos=true.with_lapack=true.with_gsl=on.output b/tests/hp/laplace_mitchell2014_04_peak.with_trilinos=true.with_lapack=true.output
similarity index 100%
rename from tests/hp/laplace_mitchell2014_04_peak.with_trilinos=true.with_lapack=true.with_gsl=on.output
rename to tests/hp/laplace_mitchell2014_04_peak.with_trilinos=true.with_lapack=true.output

diff --git a/tests/numerics/smoothness_estimator_01.with_gsl=on.output b/tests/numerics/smoothness_estimator_01.output
similarity index 100%
rename from tests/numerics/smoothness_estimator_01.with_gsl=on.output
rename to tests/numerics/smoothness_estimator_01.output

diff --git a/tests/serialization/fe_series_02.with_gsl=on.output b/tests/serialization/fe_series_02.output
similarity index 100%
rename from tests/serialization/fe_series_02.with_gsl=on.output
rename to tests/serialization/fe_series_02.output

diff --git a/tests/serialization/fe_series_02.with_gsl=on.output.libc++ b/tests/serialization/fe_series_02.output.libc++
similarity index 100%
rename from tests/serialization/fe_series_02.with_gsl=on.output.libc++
rename to tests/serialization/fe_series_02.output.libc++