remove test for desc search fails

This will get squashed before merge, I figure we'll need new tests. Only
including this commit in initial draft PR to make CI happy.

Library/Homebrew/test/cmd/desc_spec.rb

@@ -15,14 +15,6 @@
       .and be_a_success
   end
 
-  it "errors when searching without --eval-all", :integration_test do
-    setup_test_formula "testball"
-
-    expect { brew "desc", "--search", "testball" }
-      .to output(/`brew desc --search` needs `--eval-all` passed or `HOMEBREW_EVAL_ALL` set!/).to_stderr
-      .and be_a_failure
-  end
-
   it "successfully searches with --search --eval-all", :integration_test do
     setup_test_formula "testball"