Remove ISO tag workaround

The WAR is also removed upstream.

Bug: 21494051
Change-Id: I243e93374a4852026dc518566fdb37cd09dd9912
diff --git a/exif.c b/exif.c
index 472c45e..ff0f236 100644
--- a/exif.c
+++ b/exif.c
@@ -945,10 +945,6 @@
 
             case TAG_ISO_EQUIVALENT:
                 ImageInfo.ISOequivalent = (int)ConvertAnyFormat(ValuePtr, Format);
-                if ( ImageInfo.ISOequivalent < 50 ){
-                    // Fixes strange encoding on some older digicams.
-                    ImageInfo.ISOequivalent *= 200;
-                }
                 break;
 
             case TAG_DIGITALZOOMRATIO:
@@ -1341,7 +1337,7 @@
 #ifdef SUPERDEBUG
     ALOGE("create_EXIF %d exif elements, %d gps elements", exifTagCount, gpsTagCount);
 #endif
-    
+
     MotorolaOrder = 0;
 
     memcpy(Buffer+2, "Exif\0\0II",8);
@@ -1365,7 +1361,7 @@
 
         Put16u(Buffer+DirIndex, NumEntries); // Number of entries
         DirIndex += 2;
-  
+
         // Entries go here...
         if (!hasDateTimeTag) {
             // Date/time entry
@@ -1524,7 +1520,7 @@
         printf("Ending Thumbnail section DirIndex = %d DataWriteIndex %d", DirIndex, DataWriteIndex);
     }
 
-    
+
     Buffer[0] = (unsigned char)(DataWriteIndex >> 8);
     Buffer[1] = (unsigned char)DataWriteIndex;