[formatting] Remove all double blank lines in WASM code.

src/wasm/module-decoder.cc

Index: src/wasm/module-decoder.cc
diff --git a/src/wasm/module-decoder.cc b/src/wasm/module-decoder.cc
index 92adea95158f6b3c303b0a850dbf48df4be8151d..00a2c122cb230db02f9ed07b2974727a5b186b45 100644
--- a/src/wasm/module-decoder.cc
+++ b/src/wasm/module-decoder.cc
@@ -773,7 +773,6 @@ class ModuleDecoder : public Decoder {
   }
 };
 
-
 // Helpers for nice error messages.
 class ModuleError : public ModuleResult {
  public:
@@ -787,7 +786,6 @@ class ModuleError : public ModuleResult {
   }
 };
 
-
 // Helpers for nice error messages.
 class FunctionError : public FunctionResult {
  public:
@@ -828,7 +826,6 @@ FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start,
   return decoder.DecodeFunctionSignature(start);
 }
 
-
 FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone,
                                   ModuleEnv* module_env,
                                   const byte* function_start,