pan/midgard: Remove texture_index

This is deadcode.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

src/panfrost/midgard/compiler.h

@@ -268,9 +268,6 @@ typedef struct compiler_context {
          * Decrease when a tex op is removed. */
         int texture_op_count;
 
-        /* Mapping of texture register -> SSA index for unaliasing */
-        int texture_index[2];
-
         /* The number of uniforms allowable for the fast path */
         int uniform_cutoff;
 

src/panfrost/midgard/midgard_compile.c

@@ -2294,9 +2294,6 @@ emit_block(compiler_context *ctx, nir_block *block)
         this_block->is_scheduled = false;
         ++ctx->block_count;
 
-        ctx->texture_index[0] = ~0;
-        ctx->texture_index[1] = ~0;
-
         /* Set up current block */
         list_inithead(&this_block->instructions);
         ctx->current_block = this_block;