Remove PepperFlash from the expected files.

BUG=

Review-Url: https://codereview.chromium.org/2268403007
Cr-Commit-Position: refs/heads/master@{#414484}

chrome/tools/build/linux/FILES.cfg

@@ -128,12 +128,6 @@ FILES = [
     'filename': 'libEGL.so',
     'buildtype': ['dev'],
   },
-  # Flash Player files:
-  # Pepper Flash Player files:
-  {
-    'filename': 'PepperFlash',
-    'buildtype': ['official'],
-  },
   # Native Client plugin files:
   {
     'filename': 'nacl_irt_x86_32.nexe',