[MINOR] Fix a few typos in HoodieIndex (apache#6784)

Co-authored-by: xingjunwang <xingjunwang@tencent.com>

hudi-client/hudi-client-common/src/main/java/org/apache/hudi/index/HoodieIndex.java

@@ -99,13 +99,13 @@ public abstract HoodieData<WriteStatus> updateLocation(
    * implementation is able to obtain the same mapping, for two hoodie keys with same `recordKey` but different
    * `partitionPath`
    *
-   * @return whether or not, the index implementation is global in nature
+   * @return whether the index implementation is global in nature
    */
   @PublicAPIMethod(maturity = ApiMaturityLevel.STABLE)
   public abstract boolean isGlobal();
 
   /**
-   * This is used by storage to determine, if its safe to send inserts, straight to the log, i.e having a
+   * This is used by storage to determine, if it is safe to send inserts, straight to the log, i.e. having a
    * {@link FileSlice}, with no data file.
    *
    * @return Returns true/false depending on whether the impl has this capability
@@ -121,7 +121,7 @@ public abstract HoodieData<WriteStatus> updateLocation(
   public abstract boolean isImplicitWithStorage();
 
   /**
-   * To indicate if a operation type requires location tagging before writing
+   * To indicate if an operation type requires location tagging before writing
    */
   @PublicAPIMethod(maturity = ApiMaturityLevel.EVOLVING)
   public boolean requiresTagging(WriteOperationType operationType) {