rlp: Remove dead encode(array) function (#1342)

Author: chfast

test/state/rlp.hpp

@@ -86,12 +86,6 @@ inline bytes encode(const std::vector<T>& v)
     return internal::encode_container(v.begin(), v.end());
 }
 
-template <typename T, size_t N>
-inline bytes encode(const T (&v)[N])
-{
-    return internal::encode_container(std::begin(v), std::end(v));
-}
-
 /// Encodes the fixed-size collection of heterogeneous values as RLP list.
 template <typename... Types>
 inline bytes encode_tuple(const Types&... elements)

test/unittests/state_rlp_test.cpp

@@ -65,12 +65,6 @@ TEST(state_rlp, encode_string_long)
     EXPECT_EQ(hex({r4.data(), 10}), "baffffff000000000000");
 }
 
-TEST(state_rlp, encode_c_array)
-{
-    const uint64_t a[]{1, 2, 3};
-    EXPECT_EQ(hex(rlp::encode(a)), "c3010203");
-}
-
 TEST(state_rlp, encode_vector)
 {
     const auto x = 0xe1e2e3e4e5e6e7d0d1d2d3d4d5d6d7c0c1c2c3c4c5c6c7b0b1b2b3b4b5b6b7_u256;