Remove more dependencies

Author: rocky

.travis.yml

@@ -5,7 +5,7 @@ sudo: true
 dist: bionic
 
 env:
-  - PREREQS="Module::Build rlib Test::More DB_File XML::DOM::XPath Bio::DB::GenBank Bio::Restriction::Analysis"
+  - PREREQS="Module::Build rlib Test::More Bio::Restriction::Analysis"
 
 after_failure:
   - cat /home/travis/.cpanm/work/*/build.log
@@ -15,19 +15,18 @@ install:
   # libdb-dev (Berkeley DB headers) seems to be needed by BioPerl
   # By running cpanm this way without testing rather than using ./Build,
   # we save *a lot* of time
-  - sudo apt-get install -y libdb-dev
   - "cpanm --notest --force $PREREQS"
 
 script:
   - perl Build.PL && ./Build && ./Build test
 
 perl:
-  - "5.30"
-  - "5.28"
+#  - "5.30"
   - "5.26"
-  - "5.24"
-  - "5.22"
-  - "5.20"
-  - "5.18"
-  - "5.16"
-  - "5.14"
+  # - "5.26"
+  # - "5.24"
+  # - "5.22"
+  # - "5.20"
+  # - "5.18"
+  # - "5.16"
+  # - "5.14"