Replace auto make script with simple make command

Author: dhalucario

keynav.spec

@@ -1,5 +1,5 @@
 Name:      keynav
-Version:   0.20200906.1
+Version:   0.20200906.2
 Release:   1%{dist}
 Summary:   A powerful MUD client with a built-in Perl interpreter
 License:   FIXME
@@ -29,7 +29,7 @@ make %{?_smp_mflags}
 
 %install
 rm -rf $RPM_BUILD_ROOT
-%make_install
+make install
 
 %files
 %license LICENSE