Revert "WIP debug crashtracker flaky spec"

This reverts commit cc2657f.

Author: ivoanjo

spec/datadog/profiling/crashtracker_spec.rb

@@ -96,12 +96,6 @@
       after { crashtracker.stop }
 
       it 'starts a second crash tracker for the fork' do
-        wait_for do
-          result = `pgrep -f libdatadog-crashtracking-receiver`
-          puts "pgrep: #{result} ----"
-          result.lines.size
-        end.to be(1), "Failure details: ps aux: #{`ps aux`}"
-
         expect_in_fork do
           crashtracker.reset_after_fork