Remove empty settings.

test/libsolidity/semanticTests/builtinFunctions/iterated_keccak256_with_bytes.sol

@@ -8,6 +8,5 @@ contract c {
         return keccak256(abi.encodePacked("b", keccak256(data), "a"));
     }
 }
-// ====
 // ----
 // foo() -> 0xb338eefce206f9f57b83aa738deecd5326dc4b72dd81ee6a7c621a6facb7acdc

test/libsolidity/semanticTests/builtinFunctions/keccak256_multiple_arguments.sol

@@ -3,6 +3,5 @@ contract c {
         d = keccak256(abi.encodePacked(a, b, c));
     }
 }
-// ====
 // ----
 // foo(uint256,uint256,uint256): 0xa, 0xc, 0xd -> 0xbc740a98aae5923e8f04c9aa798c9ee82f69e319997699f2782c40828db9fd81

test/libsolidity/semanticTests/builtinFunctions/keccak256_multiple_arguments_with_numeric_literals.sol

@@ -3,6 +3,5 @@ contract c {
         d = keccak256(abi.encodePacked(a, b, uint8(145)));
     }
 }
-// ====
 // ----
 // foo(uint256,uint16): 0xa, 0xc -> 0x88acd45f75907e7c560318bc1a5249850a0999c4896717b1167d05d116e6dbad

test/libsolidity/semanticTests/builtinFunctions/keccak256_multiple_arguments_with_string_literals.sol

@@ -7,7 +7,6 @@ contract c {
         d = keccak256(abi.encodePacked(a, b, uint8(145), "foo"));
     }
 }
-// ====
 // ----
 // foo() -> 0x41b1a0649752af1b28b3dc29a1556eee781e4a4c3a1f7f53f90fa834de098c4d
 // bar(uint256,uint16): 0xa, 0xc -> 0x6990f36476dc412b1c4baa48e2d9f4aa4bb313f61fda367c8fdbbb2232dc6146

test/libsolidity/semanticTests/builtinFunctions/keccak256_with_bytes.sol

@@ -9,6 +9,5 @@ contract c {
     }
 }
 
-// ====
 // ----
 // foo() -> true

test/libsolidity/semanticTests/builtinFunctions/ripemd160_empty.sol

@@ -4,6 +4,5 @@ contract C {
     }
 }
 
-// ====
 // ----
 // f() -> 0x9c1185a5c5e9fc54612808977ee8f548b2258d31000000000000000000000000

test/libsolidity/semanticTests/builtinFunctions/sha256_empty.sol

@@ -3,6 +3,5 @@ contract C {
         return sha256("");
     }
 }
-// ====
 // ----
 // f() -> 0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855