Remove type query (#47207)

Running a type query in 7x already emits deprecation warnings. We can remove it
altogether in 8x.

Part of #41059

Author: romseygeek

server/src/main/java/org/elasticsearch/index/mapper/DocumentMapper.java

@@ -39,7 +39,6 @@
 import org.elasticsearch.index.IndexSettings;
 import org.elasticsearch.index.analysis.IndexAnalyzers;
 import org.elasticsearch.index.mapper.MetadataFieldMapper.TypeParser;
-import org.elasticsearch.index.query.QueryShardContext;
 import org.elasticsearch.search.internal.SearchContext;
 
 import java.io.IOException;
@@ -223,14 +222,6 @@ public <T extends MetadataFieldMapper> T metadataMapper(Class<T> type) {
         return mapping.metadataMapper(type);
     }
 
-    public IndexFieldMapper indexMapper() {
-        return metadataMapper(IndexFieldMapper.class);
-    }
-
-    public TypeFieldMapper typeMapper() {
-        return metadataMapper(TypeFieldMapper.class);
-    }
-
     public SourceFieldMapper sourceMapper() {
         return metadataMapper(SourceFieldMapper.class);
     }
@@ -247,10 +238,6 @@ public IndexFieldMapper IndexFieldMapper() {
         return metadataMapper(IndexFieldMapper.class);
     }
 
-    public Query typeFilter(QueryShardContext context) {
-        return typeMapper().fieldType().termQuery(type, context);
-    }
-
     public boolean hasNestedObjects() {
         return hasNestedObjects;
     }

server/src/main/java/org/elasticsearch/index/query/TypeQueryBuilder.java

@@ -73,7 +73,6 @@
 import org.elasticsearch.index.query.TermQueryBuilder;
 import org.elasticsearch.index.query.TermsQueryBuilder;
 import org.elasticsearch.index.query.TermsSetQueryBuilder;
-import org.elasticsearch.index.query.TypeQueryBuilder;
 import org.elasticsearch.index.query.WildcardQueryBuilder;
 import org.elasticsearch.index.query.WrapperQueryBuilder;
 import org.elasticsearch.index.query.functionscore.ExponentialDecayFunctionBuilder;
@@ -773,7 +772,6 @@ private void registerQueryParsers(List<SearchPlugin> plugins) {
         registerQuery(new QuerySpec<>(ScriptScoreQueryBuilder.NAME, ScriptScoreQueryBuilder::new, ScriptScoreQueryBuilder::fromXContent));
         registerQuery(
                 new QuerySpec<>(SimpleQueryStringBuilder.NAME, SimpleQueryStringBuilder::new, SimpleQueryStringBuilder::fromXContent));
-        registerQuery(new QuerySpec<>(TypeQueryBuilder.NAME, TypeQueryBuilder::new, TypeQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(ScriptQueryBuilder.NAME, ScriptQueryBuilder::new, ScriptQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(GeoDistanceQueryBuilder.NAME, GeoDistanceQueryBuilder::new, GeoDistanceQueryBuilder::fromXContent));
         registerQuery(new QuerySpec<>(GeoBoundingBoxQueryBuilder.NAME, GeoBoundingBoxQueryBuilder::new,

server/src/main/java/org/elasticsearch/search/SearchModule.java

@@ -350,7 +350,6 @@ public List<RescorerSpec<?>> getRescorers() {
             "term",
             "terms",
             "terms_set",
-            "type",
             "wildcard",
             "wrapper",
             "distance_feature"