chrome: Cleanup some entries from presubmit's exclude list.

They don't seem to be necessary anymore.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/794243004

Cr-Commit-Position: refs/heads/master@{#308278}

chrome/PRESUBMIT.py

@@ -26,20 +26,8 @@
   r'.*resource.h$',
   # Header trickery
   r'.*-inl\.h$',
-  # Templates
-  r'sigslotrepeater\.h$',
-  # GCC attribute trickery
-  r'sel_main\.cc$',
-  # Mozilla code
-  r'mork_reader\.h$',
-  r'mork_reader\.cc$',
-  r'nss_decryptor_linux\.cc$',
   # Has safe printf usage that cpplint complains about
   r'safe_browsing_util\.cc$',
-  # Bogus ifdef tricks
-  r'renderer_webkitplatformsupport_impl\.cc$',
-  # Lines > 100 chars
-  r'gcapi\.cc$',
 )
 
 def _CheckChangeLintsClean(input_api, output_api):