script: add cleaning of prev built rpm in 'mrel'

script/mrel

@@ -146,6 +146,10 @@ foreach oldsrpm [glob -nocomplain $srpmdir/environment-modules-*.src.rpm] {
    reportInfo "Delete previous SRPM '$oldsrpm'"
    file delete $oldsrpm
 }
+foreach oldrpm [glob -nocomplain $rpmdir/environment-modules-*.rpm] {
+   reportInfo "Delete previous RPM '$oldrpm'"
+   file delete $oldrpm
+}
 
 # remove installed RPMs or dist
 catch {runcmd 2>@$logfid sudo rpm -e --nodeps scl-utils}