opencollada: remove unneeded patch

The same problem (uninitialized bool) is solved by
0002-Expose-sid-for-textures-in-extras.patch.1.
Additionally handling empty string on a different way
was a mistake so that part is unneded too.

Change-Id: I1eaa86fa7c6ef7216c0fc26ebf2ee4ec5c0936aa

external/opencollada/UnpackedTarball_opencollada.mk

@@ -16,7 +16,6 @@ $(eval $(call gb_UnpackedTarball_add_patches,opencollada,\
 	external/opencollada/patches/0002-Expose-sid-for-textures-in-extras.patch.1 \
 	external/opencollada/patches/opencollada.clang.patch.0 \
 	external/opencollada/patches/opencollada.libxml.patch.0 \
-	external/opencollada/patches/generatedsaxparser_utils_touri_fix.patch.1 \
 ))
 
 # vim: set noet sw=4 ts=4:

external/opencollada/patches/generatedsaxparser_utils_touri_fix.patch.1

-diff -ur opencollada.org/GeneratedSaxParser/src/GeneratedSaxParserUtils.cpp opencollada/GeneratedSaxParser/src/GeneratedSaxParserUtils.cpp
---- opencollada.org/GeneratedSaxParser/src/GeneratedSaxParserUtils.cpp	2014-05-22 15:24:25.437939696 +0200
-+++ opencollada/GeneratedSaxParser/src/GeneratedSaxParserUtils.cpp	2014-05-22 15:24:50.769938623 +0200
-@@ -865,9 +865,10 @@
-     {
-         if ( *buffer == bufferEnd )
-         {
--            failed = false;
-+            failed = true;
-             return COLLADABU::URI(0);
-         }
-+        failed = false;
-         const ParserString& string = toStringListItem(buffer, bufferEnd, failed);
-         return COLLADABU::URI(string.str, string.length);
-         
-@@ -880,10 +881,11 @@
-     {
-         if ( **buffer == '\0' )
-         {
--            failed = false;
-+            failed = true;
-             return COLLADABU::URI(0);
-         }
-         
-+        failed = false;
-         const ParserString& string = toStringListItem(buffer, failed);
-         return COLLADABU::URI(string.str, string.length);
-