mesa: Remove gl_context::ResetStatus

This isn't going to be used in the actual implemenation of
glGetGraphicsResetStatus.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

src/mesa/main/context.c

@@ -808,7 +808,6 @@ init_attrib_groups(struct gl_context *ctx)
    ctx->NewState = _NEW_ALL;
    ctx->NewDriverState = ~0;
    ctx->ErrorValue = GL_NO_ERROR;
-   ctx->ResetStatus = GL_NO_ERROR;
    ctx->varying_vp_inputs = VERT_BIT_ALL;
 
    return GL_TRUE;

src/mesa/main/getstring.c

@@ -305,7 +305,7 @@ GLenum GLAPIENTRY
 _mesa_GetGraphicsResetStatusARB( void )
 {
    GET_CURRENT_CONTEXT(ctx);
-   GLenum status = ctx->ResetStatus;
+   GLenum status = GL_NO_ERROR;
 
    if (MESA_VERBOSE & VERBOSE_API)
       _mesa_debug(ctx, "glGetGraphicsResetStatusARB"

src/mesa/main/mtypes.h

@@ -3903,9 +3903,6 @@ struct gl_context
 
    GLenum ErrorValue;        /**< Last error code */
 
-   /* GL_ARB_robustness */
-   GLenum ResetStatus;
-
    /**
     * Recognize and silence repeated error debug messages in buggy apps.
     */