chore: remove build artifacts

mvn_out.txt

@@ -1,24 +0,0 @@
-[INFO] Scanning for projects...
-[INFO] 
-[INFO] ---------------------< com.etotem.cfc:cfc-backend >---------------------
-[INFO] Building cfc-backend 1.0.0
-[INFO]   from pom.xml
-[INFO] --------------------------------[ jar ]---------------------------------
-Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/security/spring-security-crypto/5.7.11/spring-security-crypto-5.7.11.pom
-[INFO] ------------------------------------------------------------------------
-[INFO] BUILD FAILURE
-[INFO] ------------------------------------------------------------------------
-[INFO] Total time:  4.812 s
-[INFO] Finished at: 2026-08-06T01:01:15+08:00
-[INFO] ------------------------------------------------------------------------
-[ERROR] Failed to execute goal on project cfc-backend: Could not collect dependencies for project com.etotem.cfc:cfc-backend:jar:1.0.0
-[ERROR] Failed to read artifact descriptor for org.springframework.security:spring-security-crypto:jar:5.7.11
-[ERROR] 	Caused by: The following artifacts could not be resolved: org.springframework.security:spring-security-crypto:pom:5.7.11 (absent): Could not transfer artifact org.springframework.security:spring-security-crypto:pom:5.7.11 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
-[ERROR] 
-[ERROR] -> [Help 1]
-[ERROR] 
-[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
-[ERROR] Re-run Maven using the -X switch to enable full debug logging.
-[ERROR] 
-[ERROR] For more information about the errors and possible solutions, please read the following articles:
-[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException