remove myself from maintainers of some packages (#11319)

var/spack/repos/builtin/packages/astyle/package.py

@@ -17,8 +17,6 @@ class Astyle(MakefilePackage):
     # Gentoo alternative
     # url = "http://distfiles.gentoo.org/distfiles/astyle_3.0.1_linux.tar.gz"
 
-    maintainers = ['davydden']
-
     version('3.1',    '7712622f62661b1d8cb1062d7fedc390')
     version('3.0.1',  'c301f09679efa2e1eb6e6b5fd33788b4')
     version('2.06',   'ff588e7fcede824591cf5b9085df109d')

var/spack/repos/builtin/packages/likwid/package.py

@@ -19,8 +19,6 @@ class Likwid(Package):
     homepage = "https://github.com/RRZE-HPC/likwid"
     url      = "https://github.com/RRZE-HPC/likwid/archive/4.1.2.tar.gz"
 
-    maintainers = ['davydden']
-
     version('4.3.2', '2cf00e220dfe22c8d9b6e44f7534e11d')
     version('4.3.1', 'ff28250f622185688bf5e2e0975368ea')
     version('4.3.0', '7f8f6981d7d341fce2621554323f8c8b')

var/spack/repos/builtin/packages/numdiff/package.py

@@ -14,8 +14,6 @@ class Numdiff(AutotoolsPackage):
     homepage  = 'https://www.nongnu.org/numdiff'
     url       = 'http://nongnu.askapache.com/numdiff/numdiff-5.8.1.tar.gz'
 
-    maintainers = ['davydden']
-
     version('5.9.0', '794461a7285d8b9b1f2c4a8149889ea6')
     version('5.8.1', 'a295eb391f6cb1578209fc6b4f9d994e')
 

var/spack/repos/builtin/packages/tethex/package.py

@@ -17,8 +17,6 @@ class Tethex(CMakePackage):
     url      = "https://github.com/martemyev/tethex/archive/v0.0.7.tar.gz"
     git      = "https://github.com/martemyev/tethex.git"
 
-    maintainers = ['davydden']
-
     version('develop', branch='master')
     version('0.0.7', '6c9e4a18a6637deb4400c6d77ec03184')