remove the copts, that's unusual

This patch adds a new configuration for jsoncpp_test in
the BUILD.bazel file.

BUILD.bazel

@@ -22,10 +22,6 @@ cc_library(
         "include/json/version.h",
         "include/json/writer.h",
     ],
-    copts = [
-        "-DJSON_USE_EXCEPTION=0",
-        "-DJSON_HAS_INT64",
-    ],
     includes = ["include"],
     visibility = ["//visibility:public"],
     deps = [":private"],
@@ -35,3 +31,22 @@ cc_library(
     name = "private",
     textual_hdrs = ["src/lib_json/json_valueiterator.inl"],
 )
+
+cc_binary(
+    name = "jsontestrunner",
+    srcs = ["src/jsontestrunner/main.cpp"],
+    includes = ["include"],
+    deps = [":jsoncpp"],
+)
+
+cc_binary(
+    name = "jsoncpp_test",
+    srcs = [
+        "src/test_lib_json/jsontest.cpp",
+        "src/test_lib_json/jsontest.h",
+        "src/test_lib_json/main.cpp",
+        "src/test_lib_json/fuzz.h",
+        "src/test_lib_json/fuzz.cpp",
+        ],
+    deps = [":jsoncpp"],
+)