Fix sunpy, ditch lightkurve

try 2

Author: pllim

.github/workflows/integration_testing.yml

@@ -28,4 +28,3 @@ jobs:
         - linux: py310-specreduce
         - linux: py310-specutils
         - linux: py310-sunpy
-        - linux: py310-lightkurve

tox.ini

@@ -33,7 +33,7 @@ deps =
     reproject,all: git+https://github.com/astropy/reproject.git#egg=reproject[test,all]
     specreduce,all: git+https://github.com/astropy/specreduce.git#egg=specreduce[test]
     specutils,all: git+https://github.com/astropy/specutils.git#egg=specutils[all,test]
-    sunpy,all: git+https://github.com/sunpy/sunpy.git#egg=sunpy[tests]
+    sunpy,all: git+https://github.com/sunpy/sunpy.git#egg=sunpy[tests,all]
 
 skip_install = true