This header is not used. Drop it

Pal/include/sysdeps/generic/linkmap.h

@@ -1,16 +0,0 @@
-#if __WORDSIZE == 64
-struct link_map_machine
-  {
-    Elf64_Addr plt; /* Address of .plt + 0x16 */
-    Elf64_Addr gotplt; /* Address of .got + 0x18 */
-    void *tlsdesc_table; /* Address of TLS descriptor hash table.  */
-  };
-
-#else
-struct link_map_machine
-  {
-    Elf32_Addr plt; /* Address of .plt + 0x16 */
-    Elf32_Addr gotplt; /* Address of .got + 0x0c */
-    void *tlsdesc_table; /* Address of TLS descriptor hash table.  */
-  };
-#endif