Revert "[YS-509] feat: 공고 키워드 자동완성 기능 구현 (#150)"

This reverts commit 3456a5e.

Author: Ji-soo708

application/src/main/kotlin/com/dobby/service/ExperimentPostService.kt

@@ -8,7 +8,6 @@ import com.dobby.exception.InvalidRequestValueException
 import com.dobby.gateway.CacheGateway
 import com.dobby.usecase.experiment.CreateExperimentPostUseCase
 import com.dobby.usecase.experiment.DeleteExperimentPostUseCase
-import com.dobby.usecase.experiment.ExtractExperimentPostKeywordsUseCase
 import com.dobby.usecase.experiment.GenerateExperimentPostPreSignedUrlUseCase
 import com.dobby.usecase.experiment.GetExperimentPostApplyMethodUseCase
 import com.dobby.usecase.experiment.GetExperimentPostCountsByAreaUseCase
@@ -42,7 +41,6 @@ class ExperimentPostService(
     private val getExperimentPostTotalCountByCustomFilterUseCase: GetExperimentPostTotalCountByCustomFilterUseCase,
     private val getMyExperimentPostsUseCase: GetMyExperimentPostsUseCase,
     private val getMyExperimentPostTotalCountUseCase: GetMyExperimentPostTotalCountUseCase,
-    private val extractExperimentPostKeywordsUseCase: ExtractExperimentPostKeywordsUseCase,
     private val cacheGateway: CacheGateway
 ) {
     @Transactional
@@ -167,10 +165,6 @@ class ExperimentPostService(
         evictExperimentPostCountsCaches()
     }
 
-    fun extractExperimentPostKeywords(input: ExtractExperimentPostKeywordsUseCase.Input): ExtractExperimentPostKeywordsUseCase.Output {
-        return extractExperimentPostKeywordsUseCase.execute(input)
-    }
-
     private fun evictExperimentPostCountsCaches() {
         listOf("ALL", "OPEN").forEach { cacheGateway.evict("experimentPostCounts:$it") }
     }

application/src/main/kotlin/com/dobby/usecase/experiment/ExtractExperimentPostKeywordsUseCase.kt

@@ -77,8 +77,3 @@ data object ExperimentPostLeadResearcherException : ClientException("EP0013", "L
 sealed class ServerException(code: String, message: String, cause: Throwable? = null) : DobbyException(code, message, cause)
 
 data object UnknownServerErrorException : ServerException("DB0001", "An unknown error has occurred")
-
-/**
- * OpenAI API call specific exceptions
- */
-data class CustomOpenAiCallException(override val message: String, override val cause: Throwable? = null) : ServerException("AI0001", message, cause)