Remove ASC workaround (now fixed in Franhofer library).

Change-Id: Ia0ce8155def9f6dea85da7f88942ac1b11c16823
diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
index 303b8ef..58ad065 100644
--- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
+++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp
@@ -267,15 +267,6 @@
         inBuffer[0] = header->pBuffer + header->nOffset;
         inBufferLength[0] = header->nFilledLen;
 
-        // Make the decoder more robust by pruning explicit backward compatible
-        // extension for LC, HE-AACv1 (SBR), HE-AACv2 (SBR + PS). We'll depend
-        // on implicit configuration.
-        if (inBufferLength[0] > 2) {
-            UCHAR aot = inBuffer[0][0] >> 3;
-            if (aot == 2 | aot == 5 | aot == 29) {
-                inBufferLength[0] = 2;
-            }
-        }
         AAC_DECODER_ERROR decoderErr =
             aacDecoder_ConfigRaw(mAACDecoder,
                                  inBuffer,