Stop calculating data for some dead jbuild code paths

commit_hash:88de11271aee6ce875a836cbfb24e825d8e7fa99

Author: VestniK

build/conf/java.conf

@@ -1747,15 +1747,12 @@ when ($SAVE_JAVAC_GENERATED_SRCS) {
 }
 
 # tag:java-specific
-# TODO: MAVEN_GROUP_ID_VALUE is only used by jbuild remove it after YMAKE-45 and YMAKE-46
-MAVEN_GROUP_ID_VALUE=
 MAVEN_EXPORT_GROUP_ID=ru.yandex
 ### @usage: MAVEN_GROUP_ID(group_id_for_maven_export)
 ###
 ### Set maven export group id for JAVA_PROGRAM() and JAVA_LIBRARY().
 ### Have no effect on regular build.
 macro MAVEN_GROUP_ID(Arg, VERSION="no") {
-    SET(MAVEN_GROUP_ID_VALUE $Arg)
     SET(MAVEN_EXPORT_GROUP_ID $Arg)
     SET(PUBLISH_MAVEN_VERSION $VERSION)
 }

build/plugins/java.py

@@ -72,8 +72,8 @@ def onjava_module(unit, *args):
         'JAVA_SRCS': extract_macro_calls(unit, 'JAVA_SRCS_VALUE', args_delim),
         'JAVAC_FLAGS': extract_macro_calls(unit, 'JAVAC_FLAGS_VALUE', args_delim),
         'ANNOTATION_PROCESSOR': extract_macro_calls(unit, 'ANNOTATION_PROCESSOR_VALUE', args_delim),
-        'EXTERNAL_JAR': extract_macro_calls(unit, 'EXTERNAL_JAR_VALUE', args_delim),
-        'MAVEN_GROUP_ID': extract_macro_calls(unit, 'MAVEN_GROUP_ID_VALUE', args_delim),
+        'EXTERNAL_JAR': [],
+        'MAVEN_GROUP_ID': [],
         'JAR_INCLUDE_FILTER': extract_macro_calls(unit, 'JAR_INCLUDE_FILTER_VALUE', args_delim),
         'JAR_EXCLUDE_FILTER': extract_macro_calls(unit, 'JAR_EXCLUDE_FILTER_VALUE', args_delim),
         # TODO remove when java test dart is in prod