Updated to most recent version RE2 and remove upstreamed patches.

third_party/re2/patches/remove-static-initializers.patch

Index: third_party/re2/patches/remove-static-initializers.patch
diff --git a/third_party/re2/patches/remove-static-initializers.patch b/third_party/re2/patches/remove-static-initializers.patch
index 73df64c2c73a7f18b6f28d736a9d05fb9b7713fc..c9ef9e3ecec9ef65d59994048ed68e102fe7f93c 100644
--- a/third_party/re2/patches/remove-static-initializers.patch
+++ b/third_party/re2/patches/remove-static-initializers.patch
@@ -1,7 +1,7 @@
-diff --git a/third_party/re2/re2/compile.cc b/third_party/re2/re2/compile.cc
+diff --git a/re2/compile.cc b/re2/compile.cc
 index adb45fd..14e401a 100644
---- a/third_party/re2/re2/compile.cc
-+++ b/third_party/re2/re2/compile.cc
+--- a/re2/compile.cc
++++ b/re2/compile.cc
 @@ -44,7 +44,7 @@ struct PatchList {
    static PatchList Append(Prog::Inst *inst0, PatchList l1, PatchList l2);
  };
@@ -61,11 +61,11 @@ index adb45fd..14e401a 100644
    re->Decref();
    if (c.failed_)
      return NULL;
-diff --git a/third_party/re2/re2/re2.cc b/third_party/re2/re2/re2.cc
-index 78978f1..61b88e7 100644
---- a/third_party/re2/re2/re2.cc
-+++ b/third_party/re2/re2/re2.cc
-@@ -34,10 +34,10 @@ namespace re2 {
+diff --git a/re2/re2.cc b/re2/re2.cc
+index 0da886d..b9e44fc 100644
+--- a/re2/re2.cc
++++ b/re2/re2.cc
+@@ -32,10 +32,10 @@ namespace re2 {
  static const int kMaxArgs = 16;
  static const int kVecSize = 1+kMaxArgs;
  
@@ -80,10 +80,10 @@ index 78978f1..61b88e7 100644
  
  #define kDefaultMaxMem (8<<20)
  
-diff --git a/third_party/re2/re2/variadic_function.h b/third_party/re2/re2/variadic_function.h
+diff --git a/re2/variadic_function.h b/re2/variadic_function.h
 index 8d2b763..7c7d6d5 100644
---- a/third_party/re2/re2/variadic_function.h
-+++ b/third_party/re2/re2/variadic_function.h
+--- a/re2/variadic_function.h
++++ b/re2/variadic_function.h
 @@ -11,8 +11,6 @@ template <typename Result, typename Param0, typename Param1, typename Arg,
            Result (*Func)(Param0, Param1, const Arg* const [], int count)>
  class VariadicFunction2 {