Revert "fixup! add benchmark"

This reverts commit b0bff57a3b.

test/benchmark/treesitter_spec.lua

@@ -3,8 +3,6 @@ local helpers = require('test.functional.helpers')(after_each)
 local clear = helpers.clear
 local exec_lua = helpers.exec_lua
 
-local big_linux_file_url = 'https://raw.githubusercontent.com/torvalds/linux/master/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h'
-
 describe('treesitter perf', function()
   setup(function()
     clear()
@@ -49,69 +47,4 @@ describe('treesitter perf', function()
       return vim.uv.hrtime() - start
     ]]
   end)
-
-  -- takes around 2 minutes
-  it('iter_matches', function()
-    local filename = vim.fs.basename(big_linux_file_url)
-
-    if not vim.uv.fs_stat(filename) then
-      helpers.repeated_read_cmd('wget', big_linux_file_url)
-    end
-    helpers.command('edit '..filename)
-
-    --- @param samples integer[]
-    --- @param matches integer
-    local function compute(samples, matches)
-      local sum = 0
-      local sumsq = 0
-      local min = math.huge
-      local max = 0
-      local n = #samples
-      for i = 1, n  do
-        local sample = samples[i]
-        sum = sum + sample
-        sumsq = sumsq + (sample * sample)
-        if sample > max then
-          max = sample
-        end
-        if sample < min then
-          min = sample
-        end
-      end
-
-      local mean = sum / n
-      local sqsum = sum * sum
-      local std = math.sqrt((sumsq - (sqsum / n)) / (n - 1))
-
-      return string.format('N=%d, matches=%d mean=%f, std=%f, min=%f, max=%f', n, matches/n, mean, std, min, max)
-    end
-
-    local result = exec_lua[[
-      local tree = vim.treesitter.get_parser(0, 'c', {})
-      local query = vim.treesitter.query.get('c', 'highlights')
-      tree:parse(true)
-
-      local samples = {} --- @type integer[]
-      local matches = 0
-
-      for i = 1, 10 do
-        local start = vim.uv.hrtime()
-
-        tree:for_each_tree(function(tstree)
-          local root = tstree:root()
-          for _ in query:iter_matches(root, 0) do
-            matches = matches + 1
-          end
-        end)
-
-        local elapsed = vim.uv.hrtime() - start
-        samples[i] = elapsed / 1000000
-      end
-
-      return {samples, matches}
-    ]]
-
-    print(compute(result[1], result[2]))
-  end)
-
 end)