Revert of SkRTConf: reduce functionality to what we use, increase simplicity

tests/PathOpsExtendedTest.cpp

Index: tests/PathOpsExtendedTest.cpp
diff --git a/tests/PathOpsExtendedTest.cpp b/tests/PathOpsExtendedTest.cpp
index 6ea67fe89fb9e8bbe3a442c58e69bab2cb70481c..2f6d99d6529d329d5f08446905ffbd36a921c2ad 100644
--- a/tests/PathOpsExtendedTest.cpp
+++ b/tests/PathOpsExtendedTest.cpp
@@ -13,6 +13,7 @@
 #include "SkMatrix.h"
 #include "SkMutex.h"
 #include "SkPaint.h"
+#include "SkRTConf.h"
 #include "SkStream.h"
 
 #include <stdlib.h>
@@ -629,6 +630,10 @@
 SK_DECLARE_STATIC_MUTEX(gMutex);
 
 void initializeTests(skiatest::Reporter* reporter, const char* test) {
+#if 0  // doesn't work yet
+    SK_CONF_SET("images.jpeg.suppressDecoderWarnings", true);
+    SK_CONF_SET("images.png.suppressDecoderWarnings", true);
+#endif
     if (reporter->verbose()) {
         SkAutoMutexAcquire lock(gMutex);
         testName = test;