[release] 1.27.4 - Remove unnecessary grpc java dependency (#373)

### Improvements
- Remove grpc java dependency which is already imported with grpc
depednecy





>Included In This Release
>- 33abeff Xin Li
>   - remove explicitly set protobuf java dependency (#368)

gradle.properties

@@ -7,7 +7,7 @@ SONATYPE_AUTOMATIC_RELEASE=true
 
 GROUP=com.statsig.serversdk
 POM_ARTIFACT_ID=serversdk
-VERSION_NAME=1.27.3
+VERSION_NAME=1.27.4
 
 POM_NAME=Statsig Server SDK
 POM_DESCRIPTION=A feature gating and a/b testing library for statsig

src/main/kotlin/com/statsig/sdk/StatsigMetadata.kt

@@ -4,7 +4,7 @@ import com.google.gson.annotations.SerializedName
 import java.util.Properties
 import java.util.UUID
 
-private const val VERSION = "1.27.3"
+private const val VERSION = "1.27.4"
 
 internal data class StatsigMetadata(@SerializedName("sdkType") var sdkType: String = "java-server", @SerializedName("sessionID") var sessionID: String = UUID.randomUUID().toString(), @SerializedName("languageVersion") var languageVersion: String = System.getProperty("java.version"), @SerializedName("exposureLoggingDisabled") var exposureLoggingDisabled: Boolean? = null) {
     @SerializedName("sdkVersion")