build: remove lovelydialogs dependency

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

app/build.gradle

@@ -258,7 +258,6 @@ dependencies {
     implementation 'eu.davidea:flexible-adapter:5.1.0'
     implementation 'eu.davidea:flexible-adapter-ui:1.0.0'
     implementation fileTree(downloadWebRtc.libFile.path)
-    implementation 'com.yarolegovich:lovely-dialog:1.1.1'
     implementation 'com.yarolegovich:mp:1.1.6'
     implementation 'me.zhanghai.android.effortlesspermissions:library:1.1.0'
     implementation 'org.apache.commons:commons-lang3:3.12.0'