This removes the CompilationInfo field from the BytecodeGraphBuilder
class. The intention is to reduce the risk of using uninitialized or
unavailable values from the CompilationInfo (e.g. values that are only
available after parsing).

R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/1704913002

Cr-Commit-Position: refs/heads/master@{#34081}