Revert of Add BoringSSL to DEPS.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index d5e6642c7ac2927f2974593687334815020d0b3f..f4c5e64fe6afa74542be36408ccbdb51b8047112 100644
--- a/DEPS
+++ b/DEPS
@@ -33,7 +33,6 @@
   "chromiumos_git": "https://chromium.googlesource.com/chromiumos",
   "pdfium_git": "https://pdfium.googlesource.com",
   "skia_git": "https://skia.googlesource.com",
-  "boringssl_git": "https://boringssl.googlesource.com",
   "swig_revision": "230490",
   "nacl_revision": "13398",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
@@ -82,10 +81,6 @@
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.
   "openmax_dl_revision": "6483",
-  # Three lines of non-changing comments so that
-  # the commit queue can handle CLs rolling BoringSSL
-  # and whatever else without interference from each other.
-  "boringssl_revision": "facc6ff39e129984d6b03cb16716f449cdacbbdb",
 }
 
 deps = {
@@ -327,9 +322,6 @@
 
   "src/third_party/pdfium":
     Var("pdfium_git") + "/pdfium.git@" + Var("pdfium_revision"),
-
-  "src/third_party/boringssl/src":
-    Var("boringssl_git") + "/boringssl.git@" + Var("boringssl_revision"),
 }