Remove documentation for "abi" and "abi_deps".
These attributes are going away imminently.

select() is the new abi_deps.

--
MOS_MIGRATED_REVID=121294764
diff --git a/src/main/java/com/google/devtools/build/docgen/templates/be/common-definitions.vm b/src/main/java/com/google/devtools/build/docgen/templates/be/common-definitions.vm
index 449b3fb..8a49b6f 100644
--- a/src/main/java/com/google/devtools/build/docgen/templates/be/common-definitions.vm
+++ b/src/main/java/com/google/devtools/build/docgen/templates/be/common-definitions.vm
@@ -113,9 +113,7 @@
   command-line flags. This can be used, for example, to declare
   platform-dependent <code>srcs</code> or custom compiler flags depending on the
   <a href="../bazel-user-manual.html#flag--compilation_mode">compilation
-  mode</a>. This feature is similar to
-  <a href="c-cpp.html#cc_library.abi_deps">abi_deps</a>, except that it's not
-  limited to <code>cc_*</code> rules and the <code>deps</code> attribute.
+  mode</a>.
 </p>
 
 </p>
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/BlazeModule.java b/src/main/java/com/google/devtools/build/lib/runtime/BlazeModule.java
index c19235c..a75e207 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/BlazeModule.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/BlazeModule.java
@@ -177,7 +177,7 @@
    * <p>vardef is a legacy mechanism: it needs explicit support in the rule implementations,
    * and cannot express conditional dependencies, only conditional attribute values. This
    * mechanism will be supplanted by configuration dependent attributes, and its effect can
-   * usually also be achieved with abi_deps.
+   * usually also be achieved with select().
    *
    * <p>This method will be called during Blaze startup (after #blazeStartup).
    */