fix: cleanup to comply with joj features

JOJ3-Configuration-Schema.md

@@ -114,9 +114,9 @@ share back with students.
 Currently the following parsers are available:
 - Generic:
   - `keyword`: catch keywords on any generic text output
-  - `result-status`: check if the executor exit with status accepted
   - `result-detail`: provide basic statistics on memory and CPU usage
-  - `dummy`: output the score and comment in the settings
+  - `result-status`: check if the executor exit with status accepted
+  - `dummy`: output the score and comment in the settings (only use for testing purpose)
 - Code quality:
   - `clangtidy`: parse clang-tidy output for specified keywords
   - `cppcheck`: parse cppcheck output for specified keywords
@@ -140,7 +140,7 @@ stages = [ "compile", "code-quality", "judge-base", "judge-msan" ] # list of sta
 [compile]
 command = "cmake" 
 copyfiles = [ "main.c", "task.h" ] # files to include with repo code when compiling
-# limit.cpu = 600 # allow 600s for complex/long compilation 
+# limit.cpu = 300 # allow 300s for complex/long compilation 
 
 [code-quality]
 filelength.name = "File length check"
@@ -176,13 +176,10 @@ case4.limit.cpu = 30
 case4.limit.mem = 10
 
 case5.score = 25
-case5.parsers = [ ] # hide all output
 
 case6.score = 25
-case6.parsers = ["diff"]
 case6.size.diff = 64
 
-case8.whitespace = false
 case8.size.stderr = 128
 
 [judge-msan]
@@ -191,7 +188,7 @@ limit.cpu = 10 # default cpu limit (in sec) for each test case
 limit.mem = 500 # set default mem limit (in MB) for all OJ test cases
 score = 10
 parsers = ["diff"]
-skip = ["case0.in", "case11.in"]
+skip = ["case0", "case11"]
 diff.ignorespaces = false
 
 case4.score = 15
@@ -199,11 +196,8 @@ case4.limit.cpu = 30
 case4.limit.mem = 10
 
 case5.score = 25
-case5.parsers = [ ] 
-case5.diff.ignorespaces = false
 
 case6.score = 25
-case6.parsers = ["stderr"]
 case6.size.stderr = 32
 ```