Merge pull request #28 from JostMigenda/argon_nonhe

`channels_argon.dat`: remove references to "_he" channels

channels/channels_argon.dat

@@ -1,14 +1,14 @@
-nue_e_he 0 + e 18.
-nuebar_e_he 1 - e 18.
-numu_e_he 2 + m 18.
-numubar_e_he 3 - m 18.
-nutau_e_he 4 + t 18.
-nutaubar_e_he 5 - t 18.
-nue_Ar40_he 6 + e 1.
-nuebar_Ar40_he 7 - e 1.
-nc_nue_Ar40_he 8 + e 1.
-nc_numu_Ar40_he 9 + m 1.
-nc_nutau_Ar40_he 10 + t 1.
-nc_nuebar_Ar40_he 11 - e 1.
-nc_numubar_Ar40_he 12 - m 1.
-nc_nutaubar_Ar40_he 13 - t 1.
+nue_e 0 + e 18.
+nuebar_e 1 - e 18.
+numu_e 2 + m 18.
+numubar_e 3 - m 18.
+nutau_e 4 + t 18.
+nutaubar_e 5 - t 18.
+nue_Ar40 6 + e 1.
+nuebar_Ar40 7 - e 1.
+nc_nue_Ar40 8 + e 1.
+nc_numu_Ar40 9 + m 1.
+nc_nutau_Ar40 10 + t 1.
+nc_nuebar_Ar40 11 - e 1.
+nc_numubar_Ar40 12 - m 1.
+nc_nutaubar_Ar40 13 - t 1.