Remove unnecessary Gradle properties (#849)

Author: nakamura-to

gradle.properties

@@ -1,7 +1,6 @@
 group=org.seasar.doma
 version=2.51.2-SNAPSHOT
 encoding=UTF-8
-systemProp.org.gradle.internal.publish.checksums.insecure=true
 projectUrl=https://github.com/domaframework/doma
 githubUrl=[email protected]:domaframework/doma.git
 sonatypeUsername=
@@ -11,14 +10,7 @@ release.useAutomaticVersion=true
 org.gradle.caching=true
 org.gradle.java.installations.fromEnv=JDK8,JDK18
 # https://github.com/diffplug/spotless/issues/834
-org.gradle.jvmargs=-Dfile.encoding=UTF-8 \
-    --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED \
-    --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED \
-    --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED \
-    --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED \
-    --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED
-
-kapt.use.worker.api=false
+org.gradle.jvmargs=-Dfile.encoding=UTF-8
 
 testJavaLangVersion=8
 testUseModule=false