remove build_pkg test, test only first 2-3 packages if they fit

remove unnecessary comment

Author: darukutsu

test/build_pkg/build-tarball.t

@@ -3,12 +3,9 @@
 List remote files for chosen package
 
 
-because cram does not support multi-line regex matching we have to match this way
   $ setup_git_test
   > mkdir "$cache/downgrade-1"
   > mkdir "$cache/downgrade-other"
-  > DOWNGRADE_FROM_GIT=1 search_git 'downgrade' > file.matches
-  > grep -vP '/tmp/.*/downgrade-([a-zA-Z0-9.]+)-.+-any.gitpkg.tar.gz' file.matches
-  > echo end
-  end
-
+  > DOWNGRADE_FROM_GIT=1 search_git 'downgrade' | head -n2
+  /tmp/*/downgrade-5.1.3-0bdb507-any.gitpkg.tar.gz (glob)
+  /tmp/*/downgrade-5.1.4-dee7bd9-any.gitpkg.tar.gz (glob)

test/search_git/search-remote.t

@@ -13,22 +13,19 @@ With a version string included
   $ search_git 'downgrade' | filter_packages 'downgrade' '==' '5.1.3'
   /tmp/*/downgrade-5.1.3-0bdb507-any.gitpkg.tar.gz (glob)
 
-because cram does not support multi-line regex matching we have to match this way
-  $ search_git 'downgrade' | filter_packages 'downgrade' '>=' '6.0.0' > file.matches
-  > grep -vP '/tmp/.*/downgrade-(6.0.0|([6-9]|[1-9][0-9]+).[0-9.-]+)-.*-any.gitpkg.tar.gz' file.matches
-  > echo end
-  end
+  $ search_git 'downgrade' | filter_packages 'downgrade' '>=' '6.0.0' | head -n3
+  /tmp/*/downgrade-6.0.0-096ab6d-any.gitpkg.tar.gz (glob)
+  /tmp/*/downgrade-6.1.0-4f09045-any.gitpkg.tar.gz (glob)
+  /tmp/*/downgrade-6.2.0-ac26c1c-any.gitpkg.tar.gz (glob)
 
   $ search_git 'downgrade' | filter_packages 'downgrade' '<=' '5.2.0'
   /tmp/*/downgrade-5.1.3-0bdb507-any.gitpkg.tar.gz (glob)
   /tmp/*/downgrade-5.1.4-dee7bd9-any.gitpkg.tar.gz (glob)
   /tmp/*/downgrade-5.2.0-16b7466-any.gitpkg.tar.gz (glob)
 
-because cram does not support multi-line regex matching we have to match this way
-  $ search_git 'downgrade' | filter_packages 'downgrade' '>' '6.0.0' > file.matches
-  > grep -vP '/tmp/.*/downgrade-((?!6\.0\.0)[0-9.]+|([6-9]|[1-9][0-9]+).[0-9.-]+)-.*-any.gitpkg.tar.gz' file.matches
-  > echo end
-  end
+  $ search_git 'downgrade' | filter_packages 'downgrade' '>' '6.0.0' | head -n2
+  /tmp/*/downgrade-6.1.0-4f09045-any.gitpkg.tar.gz (glob)
+  /tmp/*/downgrade-6.2.0-ac26c1c-any.gitpkg.tar.gz (glob)
 
   $ search_git 'downgrade' | filter_packages 'downgrade' '<' '5.2.0' | sort
   /tmp/*/downgrade-5.1.3-0bdb507-any.gitpkg.tar.gz (glob)