Updated os description logic to keep equals ignore match with guest os display name

utils/src/main/java/com/cloud/utils/StringUtils.java

diff --git a/utils/src/main/java/com/cloud/utils/StringUtils.java b/utils/src/main/java/com/cloud/utils/StringUtils.java
index 6af3075..e858bee 100644
--- a/utils/src/main/java/com/cloud/utils/StringUtils.java
+++ b/utils/src/main/java/com/cloud/utils/StringUtils.java
@@ -124,7 +124,7 @@
 
     /**
      * Converts a List of tags to a comma separated list
-     * @param tagsList
+     * @param tags
      * @return String containing a comma separated list of tags
      */
 
@@ -313,30 +313,4 @@
     public static String toCSVList(final List<String> csvList) {
         return join(csvList, ",");
     }
-
-    /**
-     * Calculates minimum number of edits required to convert from one string to another string.
-     * @param str1      String that needs editing
-     * @param str2      Target string that is required/expected after editing
-     * @return minimum number of edits required to convert str1 to str2
-     */
-    public static int minimumEditDistance(String str1, String str2) {
-        int str1Length = str1.length();
-        int str2Length = str2.length();
-        int[][] auxiliaryArray = new int[str1Length + 1][str2Length + 1];
-
-        for (int i = 0; i <= str1Length; i++) {
-            for (int j = 0; j <= str2Length; j++) {
-                if (i == 0)
-                    auxiliaryArray[i][j] = j;
-                else if (j == 0)
-                    auxiliaryArray[i][j] = i;
-                else if (str1.charAt(i - 1) == str2.charAt(j - 1))
-                    auxiliaryArray[i][j] = auxiliaryArray[i - 1][j - 1];
-                else
-                    auxiliaryArray[i][j] = 1 + Integer.min(Integer.min(auxiliaryArray[i][j - 1], auxiliaryArray[i - 1][j]), auxiliaryArray[i - 1][j - 1]);
-            }
-        }
-        return auxiliaryArray[str1Length][str2Length];
-    }
 }

utils/src/test/java/com/cloud/utils/StringUtilsTest.java

diff --git a/utils/src/test/java/com/cloud/utils/StringUtilsTest.java b/utils/src/test/java/com/cloud/utils/StringUtilsTest.java
index 29f9be3..09a6c71 100644
--- a/utils/src/test/java/com/cloud/utils/StringUtilsTest.java
+++ b/utils/src/test/java/com/cloud/utils/StringUtilsTest.java
@@ -258,34 +258,4 @@
         String output = StringUtils.toCSVList(Arrays.asList(input.split(",")));
         assertTrue(input.equals(output));
     }
-
-    @Test
-    public void testZeroEditDistance() {
-        String str1 = "Other 32-bit";
-        String str2 = "Other 32-bit";
-        int minDistance = StringUtils.minimumEditDistance(str1, str2);
-        assertEquals(minDistance, 0);
-    }
-
-    @Test
-    public void testBestMatchStringWithEditDistance() {
-        String str1 = "FreeBSD 11 (32bit)";
-        String str2 = "FreeBSD 12 (64bit)";
-        String targetString = "FreeBSD 64bit";
-        int minDistanceStr1 = StringUtils.minimumEditDistance(str1, targetString);
-        int minDistanceStr2 = StringUtils.minimumEditDistance(str2, targetString);
-        // the best match will be str2, so expecting less edit distance
-        assertTrue(minDistanceStr2 < minDistanceStr1);
-    }
-
-    @Test
-    public void testCompletelyDifferentStringsWithEditDistance() {
-        String str1 = "Other (32-bit)";
-        String str2 = "SCO OpenServer 5";
-        String targetString = "Other 32-bit";
-        int minDistanceStr1 = StringUtils.minimumEditDistance(str1, targetString);
-        int minDistanceStr2 = StringUtils.minimumEditDistance(str2, targetString);
-        // the best match will be str1, so expecting less edit distance
-        assertTrue(minDistanceStr1 < minDistanceStr2);
-    }
 }