[intro.races] Remove mention of 'consume operation'

Author: jensmaurer

source/basic.tex

@@ -6319,7 +6319,7 @@
 operations on mutexes\iref{thread} that are specially identified as
 synchronization operations. These operations play a special role in making
 assignments in one thread visible to another. A synchronization operation on one
-or more memory locations is either a consume operation, an acquire operation, a
+or more memory locations is either an acquire operation, a
 release operation, or both an acquire and release operation. A synchronization
 operation without an associated memory location is a fence and can be either an
 acquire fence, a release fence, or both an acquire and release fence. In