Remove unused imports.

Author: apottere

src/test/groovy/graphql/servlet/GraphQLServletSpec.groovy

@@ -22,8 +22,6 @@ import graphql.schema.GraphQLObjectType
 import graphql.schema.GraphQLSchema
 import org.springframework.mock.web.MockHttpServletRequest
 import org.springframework.mock.web.MockHttpServletResponse
-import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder
-import org.springframework.test.web.servlet.request.MockMvcRequestBuilders
 import spock.lang.Shared
 import spock.lang.Specification