fix: clean up .gitignore

Author: loong10k

.gitignore

@@ -1,78 +1,9 @@
-2
-### gradle ###
-.gradle
-/build/
-!gradle/wrapper/gradle-wrapper.jar
-
-### STS ###
-.settings/
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-bin/
-codes/
-
-### IntelliJ IDEA ###
-.idea
-*.iws
-*.iml
-*.ipr
-*.gz
-rebel.xml
-
-### NetBeans ###
-nbproject/private/
-build/
-nbbuild/
-dist/
-nbdist/
-.nb-gradle/
-log.*/
-
-### maven ###
 target/
+.idea/
+*.iml
+.DS_Store
+*.class
+*.jar
 *.war
 *.ear
-*.tar
-#*.zip
-*.tar.gz
-
-### logs ####
-/logs/
-*.log
-
-### temp ignore ###
-*.cache
-*.diff
-*.patch
-*.tmp
-*.java~
-*.properties~
-*.xml~
-
-### system ignore ###
-.DS_Store
-Thumbs.db
-Servers
-.metadata
-upload
-gen_code
-
-### node ###
-node_modules
-pom.xml.versionsBackup
-/server/nacos-server/data
-/server/nacos-server/logs
-!/libs/*.jar
-
-.fastRequest
-*.http
-*.json
-.flattened-pom.xml
-/agentdb.rvf
-/agentdb.rvf.lock
-/ruvector.db
-/.cli-audit/
+hs_err_pid*