Remove bogus argument in sample_get_description

Copy-paste mistake from the setter most likely.

doc/base/classes.xml

@@ -4104,8 +4104,6 @@
 			</return>
 			<argument index="0" name="sample" type="RID">
 			</argument>
-			<argument index="1" name="arg1" type="String">
-			</argument>
 			<description>
 			Return the description of an audio sample. Mainly used for organization.
 			</description>

platform/javascript/audio_server_javascript.cpp

@@ -33,7 +33,7 @@ void AudioServerJavascript::sample_set_description(RID p_sample, const String& p
 
 
 }
-String AudioServerJavascript::sample_get_description(RID p_sample, const String& p_description) const{
+String AudioServerJavascript::sample_get_description(RID p_sample) const{
 
 	return String();
 }

platform/javascript/audio_server_javascript.h

@@ -95,7 +95,7 @@ public:
 	virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
 
 	virtual void sample_set_description(RID p_sample, const String& p_description);
-	virtual String sample_get_description(RID p_sample, const String& p_description) const;
+	virtual String sample_get_description(RID p_sample) const;
 
 	virtual SampleFormat sample_get_format(RID p_sample) const;
 	virtual bool sample_is_stereo(RID p_sample) const;

servers/audio/audio_server_sw.cpp

@@ -360,7 +360,7 @@ void AudioServerSW::sample_set_description(RID p_sample, const String& p_descrip
 	AUDIO_LOCK
 	sample_manager->sample_set_description(p_sample,p_description);
 }
-String AudioServerSW::sample_get_description(RID p_sample, const String& p_description) const {
+String AudioServerSW::sample_get_description(RID p_sample) const {
 
 	AUDIO_LOCK
 	return sample_manager->sample_get_description(p_sample);

servers/audio/audio_server_sw.h

@@ -118,7 +118,7 @@ public:
 	virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
 
 	virtual void sample_set_description(RID p_sample, const String& p_description);
-	virtual String sample_get_description(RID p_sample, const String& p_description) const;
+	virtual String sample_get_description(RID p_sample) const;
 
 	virtual SampleFormat sample_get_format(RID p_sample) const;
 	virtual bool sample_is_stereo(RID p_sample) const;

servers/audio_server.h

@@ -160,7 +160,7 @@ public:
 	virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length)=0;
 
 	virtual void sample_set_description(RID p_sample, const String& p_description)=0;
-	virtual String sample_get_description(RID p_sample, const String& p_description) const=0;
+	virtual String sample_get_description(RID p_sample) const=0;
 
 	virtual SampleFormat sample_get_format(RID p_sample) const=0;
 	virtual bool sample_is_stereo(RID p_sample) const=0;