GitLab

This removes all gyp files except modules.gypi which is the only one still
used.

IDL file lists are consolidated into Source/core/core_idl_files.gni and
Source/modules/modules_idl_files.gni, eliminating lists in bindings/core and
bindings/modules.

TBR=dpranke

Review-Url: https://codereview.chromium.org/2319623003
Cr-Commit-Position: refs/heads/master@{#417030}