build: Remove unused USE_COVERAGE

build_msvc/bitcoin_config.h

@@ -313,9 +313,6 @@
 /* Define this symbol to build in assembly routines */
 //#define USE_ASM 1
 
-/* Define this symbol if coverage is enabled */
-/* #undef USE_COVERAGE */
-
 /* Define if dbus support should be compiled in */
 /* #undef USE_DBUS */
 

configure.ac

@@ -641,7 +641,6 @@ if test x$use_lcov = xyes; then
     [AC_MSG_ERROR("lcov testing requested but --coverage linker flag does not work")])
   AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],
     [AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")])
-  AC_DEFINE(USE_COVERAGE, 1, [Define this symbol if coverage is enabled])
   CXXFLAGS="$CXXFLAGS -Og"
 fi