Revert "fix(coverity): workaround to fix issue with non utf-8 characters"

This reverts commit ef77aeece50382d5496eb3d834c90f08ffa9c88f.

Reason for revert: Limitation does not exist with newer version

Change-Id: Ia88815d47a9735b56923db1c80eec806752accbc
diff --git a/script/tf-coverity/run_coverity_on_tf.py b/script/tf-coverity/run_coverity_on_tf.py
index 9980732..daa9d03 100755
--- a/script/tf-coverity/run_coverity_on_tf.py
+++ b/script/tf-coverity/run_coverity_on_tf.py
@@ -258,9 +258,7 @@
         print("https://scan.coverity.com/projects/arm-software-arm-trusted-firmware/builds/new?tab=upload")
     print("-----------------------------------------------------------------")
 
-    # Temporary workaround to fix an issue with non utf-8 characters in the
-    # directory path name
-    #print_coverage("cov-int", args.tf, coverity_tf_conf.exclude_paths, "tf_coverage.log")
-    #with open("tf_coverage.log") as log_file:
-    #    for line in log_file:
-    #        print(line, end="")
+    print_coverage("cov-int", args.tf, coverity_tf_conf.exclude_paths, "tf_coverage.log")
+    with open("tf_coverage.log") as log_file:
+        for line in log_file:
+            print(line, end="")