Remove a duplicate declaration

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 7b66898d3c99ec79143d90ceaa93cb74f6dc869e..bdb99096f68541742f46b78f9c7300fcb20fe9e0 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -1281,7 +1281,7 @@ bool GrGLCaps::getExternalFormat(GrPixelConfig surfaceConfig, GrPixelConfig memo
                                  ExternalFormatUsage usage, GrGLenum* externalFormat,
                                  GrGLenum* externalType) const {
     SkASSERT(externalFormat && externalType);
-    if (GrPixelConfigIsCompressed(memoryConfig) || GrPixelConfigIsCompressed(memoryConfig)) {
+    if (GrPixelConfigIsCompressed(memoryConfig)) {
         return false;
     }