Removed redudant clauses in local parse/3

[ariel-anieli]

Fix for #70; issue solved by @l3kn.
@ferd, could you have a look?

[ariel-anieli]

1> [Year,X,Month,X,Day,Hour,$:,Min,$:,Sec,$., Ms | PAM] = [2014,himBHs,8,himBHs,28,23,$:,39,$:,10,$.,1].
[2014,45,8,45,28,23,58,39,58,10,46,1]
2> [Month,X,Day,X,Year,Hour,$:,Min,$:,Sec,$., Ms | PAM] = [8,himBHs,28,himBHs,2014,23,$:,39,$:,10,$.,1].
[8,45,28,45,2014,23,58,39,58,10,46,1]
3> [Day,X,Month,X,Year,Hour,$:,Min,$:,Sec,$., Ms | PAM] = [28,himBHs,8,himBHs,2014,23,$:,39,$:,10,$.,1].
[28,45,8,45,2014,23,58,39,58,10,46,1]
4> PAM.
[]

[ferd]

I'm surprised ?is_meridien/1 considers an empty list to be valid, but at this point it's better to remove the dead code than change the matching one.