back out wrong and confusing tools::Time comment change

Apparently fc04f763 used some sed script
to change all ...

Change-Id: I0a8171aa474070bb1a8584e5c8c714fe34694618

i18npool/source/calendar/calendar_gregorian.cxx

@@ -646,7 +646,7 @@ void Calendar_gregorian::setValue() throw(RuntimeException)
             DUMP_ICU_CAL_MSG(("%s\n","setValue() after Zone/DST glitch resubmit"));
             DUMP_I18N_CAL_MSG(("%s\n","setValue() after Zone/DST glitch resubmit"));
 
-            // tools::Time zone transition => resubmit.
+            // Time zone transition => resubmit.
             // TZ=America/St_Johns date <= 1935-03-30
             //      -3:30:52 (!) instead of -3:30
             //      if first submission included time zone -3:30 that would be wrong.

i18npool/source/calendar/calendar_hijri.cxx

@@ -115,7 +115,7 @@ Calendar_hijri::NewMoon(sal_Int32 n)
 {
     double jd, t, t2, t3, k, ma, sa, tf, xtra;
     k = n;
-    t = k/1236.85;  // tools::Time in Julian centuries from 1900 January 0.5
+    t = k/1236.85;  // Time in Julian centuries from 1900 January 0.5
     t2 = t * t;
     t3 = t2 * t;
 
@@ -160,7 +160,7 @@ Calendar_hijri::NewMoon(sal_Int32 n)
         + 0.0010 * sin(tf - ma)
         + 0.0005 * sin(sa + 2 * ma);
 
-    // convert from Ephemeris tools::Time (ET) to (approximate) Universal tools::Time (UT)
+    // convert from Ephemeris Time (ET) to (approximate) Universal Time (UT)
     jd += xtra - (0.41 + 1.2053 * t + 0.4992 * t2)/1440;
 
     return (jd);