drop old obsoletes

alex.spec

@@ -1,4 +1,4 @@
-# generated by cabal-rpm-1.0.1
+# generated by cabal-rpm-2.0.2
 # https://fedoraproject.org/wiki/Packaging:Haskell
 
 # release misses some test source files
@@ -30,9 +30,6 @@ BuildRequires:  autoconf
 BuildRequires:  docbook-style-xsl
 BuildRequires:  make
 BuildRequires:  libxslt
-# added for F26
-Obsoletes:      %{name}-common < %{version}-%{release}
-Obsoletes:      %{name}-static < %{version}-%{release}
 
 %description
 Alex is a tool for generating lexical analysers in Haskell. It takes a