Drop alignment requirements for Jets.

Change-Id: I7cd1e8f73c6d3e0b9369e567149205075bfbcd82
diff --git a/include/ceres/internal/fixed_array.h b/include/ceres/internal/fixed_array.h
index e11b71b..ce777d2 100644
--- a/include/ceres/internal/fixed_array.h
+++ b/include/ceres/internal/fixed_array.h
@@ -139,7 +139,6 @@
   // of this code will be broken.
   struct InnerContainer {
     T element;
-    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
   };
 
   // How many elements should we store inline?
@@ -158,7 +157,7 @@
 
   // Allocate some space, not an array of elements of type T, so that we can
   // skip calling the T constructors and destructors for space we never use.
-  ManualConstructor<InnerContainer> CERES_ALIGN_ATTRIBUTE(16) inline_space_[kInlineElements];
+  ManualConstructor<InnerContainer> inline_space_[kInlineElements];
 };
 
 // Implementation details follow