mesa: Drop apparently typoed GL_ALL_CLIENT_ATTRIB_BITS.

GL_ALL_ATTRIB_BITS is a thing, and GL_CLIENT_ALL_ATTRIB_BITS, but I don't
see GL_ALL_CLIENT_ATTRIB_BITS in my grepping of khronos XML, GL extension
specs, GL 1.1, GL 2.2, and GL 4.4.

Reviewed-by: Brian Paul <brianp@vmware.com>

src/mapi/glapi/gen/gl_API.xml

@@ -3139,7 +3139,6 @@
     <enum name="EDGE_FLAG_ARRAY_POINTER"                  value="0x8093"/>
     <enum name="CLIENT_PIXEL_STORE_BIT"                   value="0x00000001"/>
     <enum name="CLIENT_VERTEX_ARRAY_BIT"                  value="0x00000002"/>
-    <enum name="ALL_CLIENT_ATTRIB_BITS"                   value="0xFFFFFFFF"/>
     <enum name="CLIENT_ALL_ATTRIB_BITS"                   value="0xFFFFFFFF"/>
 
     <function name="ArrayElement" deprecated="3.1" exec="dynamic">

src/mesa/main/tests/enum_strings.cpp

@@ -94,9 +94,7 @@ const struct enum_info everything[] = {
    /* A bitfield where Mesa uses a different value from Khronos. */
    { 0x000fffff, "GL_ALL_ATTRIB_BITS" },
 
-   /* A bitfield in the table where Mesa uses a different name from Khronos,
-    * and we fail to return its string anyway!
-    */
+   /* A bitfield in the table, where we fail to return its string anyway! */
    { (int)0xffffffff, "0xffffffff" },
 
    { 0, NULL }