Always run gokart from the root of the repo (#452)

Otherwise it can't find analyzers.yml

Author: Chris Clearwater

linters/gokart/plugin.yaml

@@ -24,8 +24,6 @@ lint:
           read_output_from: stdout
           # gokart runs on directory targets but requires these directories to not be symlinks
           sandbox_type: expanded
-          run_linter_from: root_file
-          run_from_root_target: go.mod
           is_security: true
       direct_configs:
         - analyzers.yml