Drop unused NaCl Debugger whitelisting.

BUG=374955
R=michaelpg@chromium.org,mkwst@chromium.org

Review-Url: https://codereview.chromium.org/2390873002
Cr-Commit-Position: refs/heads/master@{#422817}

chrome/common/extensions/api/_permission_features.json

@@ -619,8 +619,6 @@
       "06BE211D5F014BAB34BC22D9DDA09C63A81D828E",  // Official XKB virtual kbd
       "CFBF7EE448FA48960FFDA7CEB30F7A21B26AA981",  // Official m17n virtual kbd
       "B9EF10DDFEA11EF77873CC5009809E5037FC4C7A",  // Google input tools
-      "7D7A4B147FE39908A5AF13F85E38989C54BBE41C",  // http://crbug.com/374955
-      "0EEDFC0EED87871237213F34EBC7B4982A195C95",  // http://crbug.com/374955
       "D2DAA9362153E8A5E3CF593E6DF4666421ABAD21",  // http://crbug.com/374965
       "D7986543275120831B39EF28D1327552FC343960",  // http://crbug.com/378067
       "A291B26E088FA6BA53FFD72F0916F06EBA7C585A",  // http://crbug.com/378067