agx: Remove logical_end later

So we can use after_block_logical in the wait insertion pass.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20446>

src/asahi/compiler/agx_pack.c

@@ -727,6 +727,11 @@ agx_pack_binary(agx_context *ctx, struct util_dynarray *emission)
    struct util_dynarray fixups;
    util_dynarray_init(&fixups, ctx);
 
+   agx_foreach_instr_global_safe(ctx, I) {
+      if (I->op == AGX_OPCODE_LOGICAL_END)
+         agx_remove_instruction(I);
+   }
+
    agx_foreach_block(ctx, block) {
       /* Relative to the start of the binary, the block begins at the current
        * number of bytes emitted */

src/asahi/compiler/agx_register_allocate.c

@@ -596,7 +596,6 @@ agx_ra(agx_context *ctx)
       switch (I->op) {
       /* Pseudoinstructions for RA must be removed now */
       case AGX_OPCODE_PHI:
-      case AGX_OPCODE_LOGICAL_END:
       case AGX_OPCODE_PRELOAD:
          agx_remove_instruction(I);
          break;