Disable system-toml support for now.

(Latest version is incompatible with the one that's included here.)

CMakeLists.txt

@@ -75,13 +75,13 @@ if(NOT SQLite3_FOUND)
   message(ERROR "-- sqlite3 library not found (required)")
 endif()
 
-find_package(tomlplusplus QUIET)
-if (tomlplusplus_FOUND)
-  message(STATUS "Using system TOML++")
-  set(HAVE_TOMLPLUSPLUS 1)
-else()
-  message(STATUS "Using included TOML++")
-endif()
+#find_package(tomlplusplus QUIET)
+#if (tomlplusplus_FOUND)
+#  message(STATUS "Using system TOML++")
+#  set(HAVE_TOMLPLUSPLUS 1)
+#else()
+#  message(STATUS "Using included TOML++")
+#endif()
 
 if(LibXml2_FOUND)
   set(HAVE_LIBXML2 1)