Lose uptime to toybox.

Let's see if anyone actually needs the non-POSIX information...

Change-Id: I0bb63b3a81f6295d281a661bd941a26fef675598
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 2ae7ed2..24f702f 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -53,7 +53,6 @@
     start \
     stop \
     top \
-    uptime \
 
 ALL_TOOLS = $(BSD_TOOLS) $(OUR_TOOLS)
 
diff --git a/toolbox/uptime.c b/toolbox/uptime.c
deleted file mode 100644
index ebfb15e..0000000
--- a/toolbox/uptime.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 2010, The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *  * Neither the name of Google, Inc. nor the names of its contributors
- *    may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <time.h>
-
-static void format_time(int time, char* buffer) {
-    int seconds = time % 60;
-    time /= 60;
-    int minutes = time % 60;
-    time /= 60;
-    int hours = time % 24;
-    int days = time / 24;
-
-    if (days > 0) {
-        sprintf(buffer, "%d day%s, %02d:%02d:%02d", days, (days == 1) ? "" : "s", hours, minutes, seconds);
-    } else {
-        sprintf(buffer, "%02d:%02d:%02d", hours, minutes, seconds);
-    }
-}
-
-int uptime_main(int argc __attribute__((unused)), char *argv[] __attribute__((unused))) {
-    FILE* file = fopen("/proc/uptime", "r");
-    if (!file) {
-        fprintf(stderr, "Could not open /proc/uptime\n");
-        return -1;
-    }
-    float idle_time;
-    if (fscanf(file, "%*f %f", &idle_time) != 1) {
-        fprintf(stderr, "Could not parse /proc/uptime\n");
-        fclose(file);
-        return -1;
-    }
-    fclose(file);
-
-    struct timespec up_timespec;
-    if (clock_gettime(CLOCK_MONOTONIC, &up_timespec) == -1) {
-        fprintf(stderr, "Could not get monotonic time: %s\n", strerror(errno));
-	return -1;
-    }
-    float up_time = up_timespec.tv_sec + up_timespec.tv_nsec / 1e9;
-
-    struct timespec elapsed_timespec;
-    if (clock_gettime(CLOCK_BOOTTIME, &elapsed_timespec) == -1) {
-        fprintf(stderr, "Could not get boot time: %s\n", strerror(errno));
-        return -1;
-    }
-    int elapsed = elapsed_timespec.tv_sec;
-
-    char up_string[100], idle_string[100], sleep_string[100];
-    format_time(elapsed, up_string);
-    format_time((int)idle_time, idle_string);
-    format_time((int)(elapsed - up_time), sleep_string);
-    printf("up time: %s, idle time: %s, sleep time: %s\n", up_string, idle_string, sleep_string);
-
-    return 0;
-}