golangci-lint: remove outdated exclusion

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

.golangci.yml

@@ -220,14 +220,6 @@ linters:
         linters:
           - staticcheck
 
-      # Ignore deprecation linting for cli/command/stack/*.
-      #
-      # FIXME(thaJeztah): remove exception once these functions are un-exported or internal; see https://github.com/docker/cli/pull/6389
-      - text: '^(SA1019): '
-        path: "cli/command/stack"
-        linters:
-          - staticcheck
-
     # Log a warning if an exclusion rule is unused.
     # Default: false
     warn-unused: true