Admin group: counter = number of group students who submitted a solution

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/SubmissionController.kt

@@ -56,13 +56,6 @@ class SubmissionController(
         @RequestParam labId: UUID,
     ): List<SubmissionDto> = submissions.latestPerStudent(labId)
 
-    /** Общее число решений (всех попыток) по лабораторной. */
-    @GetMapping("/submissions/count")
-    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
-    fun submissionCount(
-        @RequestParam labId: UUID,
-    ): Map<String, Long> = mapOf("count" to submissions.countForLab(labId))
-
     @GetMapping("/submissions/{id}/download")
     @PreAuthorize("hasAuthority('ROLE_ADMIN')")
     fun downloadForAdmin(

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/SubmissionService.kt

@@ -101,10 +101,6 @@ class SubmissionService(
         return zip to name
     }
 
-    /** Общее число решений (всех попыток) по лабораторной. */
-    @Transactional(readOnly = true)
-    fun countForLab(labId: UUID): Long = submissions.countByLabId(labId)
-
     @Transactional(readOnly = true)
     fun latestPerStudent(labId: UUID): List<SubmissionDto> {
         val perStudent = mutableMapOf<UUID, Submission>()

services/progress-service/src/main/kotlin/ru/ysu/lms/progress/repo/SubmissionRepository.kt

@@ -14,8 +14,6 @@ interface SubmissionRepository : JpaRepository<Submission, UUID> {
 
     fun findByLabIdOrderByCreatedAtDesc(labId: UUID): List<Submission>
 
-    fun countByLabId(labId: UUID): Long
-
     fun findFirstByStudentIdAndLabIdOrderBySeqDesc(
         studentId: UUID,
         labId: UUID,