Remove the `comment_personal_snippet` permission

This is now entirely handled by `create_note`:

1. Project snippets prevent `create_note`.
2. Uploads already only support routing for personal snippets.

This simplifies some policies and access checks, too!

1 files changed, 22 insertions, 0 deletions

diff --git a/spec/routing/uploads_routing_spec.rb b/spec/routing/uploads_routing_spec.rb
new file mode 100644
index 00000000000..6a041ffdd6c
--- /dev/null
+++ b/spec/routing/uploads_routing_spec.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Uploads', 'routing' do
+  it 'allows creating uploads for personal snippets' do
+    expect(post('/uploads/personal_snippet?id=1')).to route_to(
+      controller: 'uploads',
+      action: 'create',
+      model: 'personal_snippet',
+      id: '1'
+    )
+  end
+
+  it 'does not allow creating uploads for other models' do
+    UploadsController::MODEL_CLASSES.keys.compact.each do |model|
+      next if model == 'personal_snippet'
+
+      expect(post("/uploads/#{model}?id=1")).not_to be_routable
+    end
+  end
+end