Disable linux_aura on the main builders.

chrome/installer/linux/rpm/expected_deps_x86_64

Index: chrome/installer/linux/rpm/expected_deps_x86_64
diff --git a/chrome/installer/linux/rpm/expected_deps_x86_64 b/chrome/installer/linux/rpm/expected_deps_x86_64
index f9891214556406e7b479c6ea99377cfb035c8542..858a03d6dd242d32f3d65fb414347dea30ef06b2 100644
--- a/chrome/installer/linux/rpm/expected_deps_x86_64
+++ b/chrome/installer/linux/rpm/expected_deps_x86_64
@@ -1,6 +1,7 @@
 ld-linux-x86-64.so.2()(64bit)
 ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
 libasound.so.2()(64bit)
+libatk-1.0.so.0()(64bit)
 libcairo.so.2()(64bit)
 libc.so.6()(64bit)
 libc.so.6(GLIBC_2.11)(64bit)
@@ -27,7 +28,6 @@ libgconf-2.so.4()(64bit)
 libgcrypt.so.11()(64bit)
 libgdk_pixbuf-2.0.so.0()(64bit)
 libgdk-x11-2.0.so.0()(64bit)
-libgio-2.0.so.0()(64bit)
 libglib-2.0.so.0()(64bit)
 libgobject-2.0.so.0()(64bit)
 libgtk-x11-2.0.so.0()(64bit)
@@ -55,12 +55,10 @@ libstdc++.so.6(GLIBCXX_3.4)(64bit)
 libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
 libX11.so.6()(64bit)
 libXcomposite.so.1()(64bit)
-libXcursor.so.1()(64bit)
 libXdamage.so.1()(64bit)
 libXext.so.6()(64bit)
 libXfixes.so.3()(64bit)
 libXi.so.6()(64bit)
-libXrandr.so.2()(64bit)
 libXrender.so.1()(64bit)
 libXss.so.1()(64bit)
 libXtst.so.6()(64bit)