Rename the remaining main.{h,cpp} to validation.{h,cpp}

src/bench/Examples.cpp

@@ -3,7 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "bench.h"
-#include "main.h"
+#include "validation.h"
 #include "utiltime.h"
 
 // Sanity test: this should loop ten times, and

src/bench/base58.cpp

@@ -4,7 +4,7 @@
 
 #include "bench.h"
 
-#include "main.h"
+#include "validation.h"
 #include "base58.h"
 
 #include <vector>

src/bench/bench_bitcoin.cpp

@@ -5,7 +5,7 @@
 #include "bench.h"
 
 #include "key.h"
-#include "main.h"
+#include "validation.h"
 #include "util.h"
 
 int

src/bench/checkblock.cpp

@@ -5,7 +5,7 @@
 #include "bench.h"
 
 #include "chainparams.h"
-#include "main.h"
+#include "validation.h"
 #include "streams.h"
 #include "consensus/validation.h"