chore(git): remove comments

lua/git/blame.lua

@@ -28,7 +28,7 @@ local ZERO_SHA = string.rep("0", 40)
 ---@class ow.Git.Blame.BufState
 ---@field repo ow.Git.Repo
 ---@field rel string
----@field revision string?  nil = working tree, else the blamed revision
+---@field revision string?
 ---@field commits table<string, ow.Git.Blame.Commit>
 ---@field line_sha table<integer, string>
 ---@field tick integer?
@@ -170,9 +170,6 @@ local function fetch_blame(r, rel, opts, done)
     })
 end
 
----Work out what a buffer should be blamed against: a worktree file
----(blame the buffer contents) or a `git://<rev>:<path>` object (blame
----that revision). A `git://<rev>` object with no path is not blameable.
 ---@param buf integer
 ---@return ow.Git.Blame.Source?
 local function resolve_source(buf)
@@ -230,9 +227,6 @@ local function ensure_state(buf)
     return state
 end
 
----Blame the buffer and cache the result, keyed by `changedtick`. Worktree
----buffers blame the live buffer contents; `git://` buffers blame their
----revision. `done` runs once the cache is populated.
 ---@param state ow.Git.Blame.BufState
 ---@param buf integer
 ---@param done fun()?
@@ -467,9 +461,6 @@ function M.line_popup(buf)
     end)
 end
 
----Blame the current line of the current buffer, then hand the commit to
----`done`. Works in worktree files and `git://<rev>:<path>` buffers
----alike, so the open-* actions chain through history.
 ---@param done fun(state: ow.Git.Blame.BufState, sha: string)
 local function blame_line(done)
     local buf = vim.api.nvim_get_current_buf()
@@ -525,10 +516,6 @@ function M.detach(buf)
     states[buf] = nil
 end
 
--- The blame cache is keyed by `changedtick`, which a commit / checkout /
--- rebase does not bump. Drop the cache for affected worktree buffers on a
--- repo change so the next popup re-fetches. `git://` buffers blame a
--- fixed revision and are skipped.
 repo.on("change", function(r, change)
     for _, state in pairs(states) do
         if