Remove pvlib.atmosphere.first_solar_spectral_correction

Author: echedey-ls

docs/sphinx/source/reference/airmass_atmospheric.rst

@@ -12,7 +12,6 @@ Airmass and atmospheric models
    atmosphere.pres2alt
    atmosphere.alt2pres
    atmosphere.gueymard94_pw
-   atmosphere.first_solar_spectral_correction
    atmosphere.bird_hulstrom80_aod_bb
    atmosphere.kasten96_lt
    atmosphere.angstrom_aod_at_lambda

pvlib/atmosphere.py

@@ -336,12 +336,6 @@ def gueymard94_pw(temp_air, relative_humidity):
     return pw
 
 
-first_solar_spectral_correction = deprecated(
-    since='0.10.0',
-    alternative='pvlib.spectrum.spectral_factor_firstsolar'
-)(pvlib.spectrum.spectral_factor_firstsolar)
-
-
 def bird_hulstrom80_aod_bb(aod380, aod500):
     """
     Approximate broadband aerosol optical depth.

pvlib/tests/test_atmosphere.py

@@ -88,12 +88,6 @@ def test_gueymard94_pw():
     assert_allclose(pws, expected, atol=0.01)
 
 
-def test_first_solar_spectral_correction_deprecated():
-    with pytest.warns(pvlibDeprecationWarning,
-                      match='Use pvlib.spectrum.spectral_factor_firstsolar'):
-        atmosphere.first_solar_spectral_correction(1, 1, 'cdte')
-
-
 def test_kasten96_lt():
     """Test Linke turbidity factor calculated from AOD, Pwat and AM"""
     amp = np.array([1, 3, 5])