Remove redundant proguard files

PiperOrigin-RevId: 243781000

library/dash/build.gradle

@@ -25,7 +25,6 @@ android {
     defaultConfig {
         minSdkVersion project.ext.minSdkVersion
         targetSdkVersion project.ext.targetSdkVersion
-        consumerProguardFiles 'proguard-rules.txt'
     }
 
     buildTypes {

library/dash/proguard-rules.txt

-# Proguard rules specific to the dash module.
-
-# Constructors accessed via reflection in SegmentDownloadAction
--dontnote com.google.android.exoplayer2.source.dash.offline.DashDownloadAction
--keepclassmembers class com.google.android.exoplayer2.source.dash.offline.DashDownloadAction {
-  static ** DESERIALIZER;
-}

library/dash/src/main/proguard-rules.txt

-../../proguard-rules.txt
\ No newline at end of file

library/hls/build.gradle

@@ -25,7 +25,6 @@ android {
     defaultConfig {
         minSdkVersion project.ext.minSdkVersion
         targetSdkVersion project.ext.targetSdkVersion
-        consumerProguardFiles 'proguard-rules.txt'
     }
 
     buildTypes {

library/hls/proguard-rules.txt

-# Proguard rules specific to the hls module.
-
-# Constructors accessed via reflection in SegmentDownloadAction
--dontnote com.google.android.exoplayer2.source.hls.offline.HlsDownloadAction
--keepclassmembers class com.google.android.exoplayer2.source.hls.offline.HlsDownloadAction {
-  static ** DESERIALIZER;
-}

library/hls/src/main/proguard-rules.txt

-../../proguard-rules.txt
\ No newline at end of file

library/smoothstreaming/build.gradle

@@ -25,7 +25,6 @@ android {
     defaultConfig {
         minSdkVersion project.ext.minSdkVersion
         targetSdkVersion project.ext.targetSdkVersion
-        consumerProguardFiles 'proguard-rules.txt'
     }
 
     buildTypes {

library/smoothstreaming/proguard-rules.txt

-# Proguard rules specific to the smoothstreaming module.
-
-# Constructors accessed via reflection in SegmentDownloadAction
--dontnote com.google.android.exoplayer2.source.smoothstreaming.offline.SsDownloadAction
--keepclassmembers class com.google.android.exoplayer2.source.smoothstreaming.offline.SsDownloadAction {
-  static ** DESERIALIZER;
-}

library/smoothstreaming/src/main/proguard-rules.txt

-../../proguard-rules.txt
\ No newline at end of file