Remove external/gcc-demangle

Change-Id: If3a9ad787713a35a73ef6d3feac111ecaeb67d76

default.xml

@@ -134,7 +134,6 @@
   <project path="external/fonttools" name="platform/external/fonttools" />
   <project path="external/freetype" name="platform/external/freetype" groups="pdk" />
   <project path="external/fsck_msdos" name="platform/external/fsck_msdos" groups="pdk-cw-fs" />
-  <project path="external/gcc-demangle" name="platform/external/gcc-demangle" groups="pdk" />
   <project path="external/genext2fs" name="platform/external/genext2fs" groups="pdk-cw-fs" />
   <project path="external/giflib" name="platform/external/giflib" groups="pdk-cw-fs,qcom_msm8x26" />
   <project path="external/glide" name="platform/external/glide" />