Revert "add bounds checking for mPartMinors[]"

This reverts commit f3d3ce5e53ab7928f4c292c183c417a1bd051151.
diff --git a/DirectVolume.cpp b/DirectVolume.cpp
index 0ac1a0c..ce5b892 100644
--- a/DirectVolume.cpp
+++ b/DirectVolume.cpp
@@ -186,11 +186,6 @@
         part_num = 1;
     }
 
-    if (part_num > MAX_PARTITIONS || part_num < 1) {
-        SLOGW("Invalid 'PARTN' value");
-        part_num = 1;
-    }
-
     if (part_num > mDiskNumParts) {
         mDiskNumParts = part_num;
     }