Fix warning: macro redefined

Bug: None
Test: The warning is gone.
Change-Id: I27764f834285fc5d7456a9204afd6cef6915ee61
diff --git a/libs/gui/tests/SRGB_test.cpp b/libs/gui/tests/SRGB_test.cpp
index 3b11b97..c2640cd 100644
--- a/libs/gui/tests/SRGB_test.cpp
+++ b/libs/gui/tests/SRGB_test.cpp
@@ -435,9 +435,6 @@
     ASSERT_EQ(NO_ERROR, mCpuConsumer->unlockBuffer(mLockedBuffer));
 
     // Switch to SRGB window surface
-#define EGL_GL_COLORSPACE_KHR      EGL_VG_COLORSPACE
-#define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
-
     static const int srgbAttribs[] = {
         EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR,
         EGL_NONE,