program: Delete dead _mesa_realloc_instructions.

Dead since 2010 (commit 284ce209).

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mesa/program/prog_instruction.c

@@ -74,23 +74,6 @@ _mesa_alloc_instructions(GLuint numInst)
 }
 
 
-/**
- * Reallocate memory storing an array of program instructions.
- * This is used when we need to append additional instructions onto an
- * program.
- * \param oldInst  pointer to first of old/src instructions
- * \param numOldInst  number of instructions at <oldInst>
- * \param numNewInst  desired size of new instruction array.
- * \return  pointer to start of new instruction array.
- */
-struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
-                           GLuint numOldInst, GLuint numNewInst)
-{
-   return realloc(oldInst, numNewInst * sizeof(struct prog_instruction));
-}
-
-
 /**
  * Copy an array of program instructions.
  * \param dest  pointer to destination.

src/mesa/program/prog_instruction.h

@@ -384,10 +384,6 @@ _mesa_init_instructions(struct prog_instruction *inst, GLuint count);
 extern struct prog_instruction *
 _mesa_alloc_instructions(GLuint numInst);
 
-extern struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
-                           GLuint numOldInst, GLuint numNewInst);
-
 extern struct prog_instruction *
 _mesa_copy_instructions(struct prog_instruction *dest,
                         const struct prog_instruction *src, GLuint n);