Remove file_id entirely

It is not used anymore.

Signed-off-by: Ran Benita <ran234@gmail.com>

src/context.c

@@ -47,9 +47,6 @@ struct xkb_context {
     darray(char *) includes;
     darray(char *) failed_includes;
 
-    /* xkbcomp needs to assign sequential IDs to XkbFile's it creates. */
-    unsigned file_id;
-
     struct atom_table *atom_table;
 
     /* Buffer for the *Text() functions. */
@@ -183,12 +180,6 @@ xkb_context_failed_include_path_get(struct xkb_context *ctx,
     return darray_item(ctx->failed_includes, idx);
 }
 
-unsigned
-xkb_context_take_file_id(struct xkb_context *ctx)
-{
-    return ctx->file_id++;
-}
-
 /**
  * Take a new reference on the context.
  */

src/context.h

@@ -28,9 +28,6 @@
 
 #include "atom.h"
 
-unsigned
-xkb_context_take_file_id(struct xkb_context *ctx);
-
 unsigned int
 xkb_context_num_failed_include_paths(struct xkb_context *ctx);
 

src/xkbcomp/ast-build.c

@@ -503,7 +503,6 @@ XkbFileCreate(struct xkb_context *ctx, enum xkb_file_type type, char *name,
     file->topName = strdup_safe(name);
     file->name = name;
     file->defs = defs;
-    file->id = xkb_context_take_file_id(ctx);
     file->flags = flags;
 
     return file;

src/xkbcomp/ast.h

@@ -289,7 +289,6 @@ typedef struct {
     char *topName;
     char *name;
     ParseCommon *defs;
-    int id;
     enum xkb_map_flags flags;
 } XkbFile;