Remove some now-unnecessary ReverbState fields

Alc/effects/reverb.cpp

@@ -297,9 +297,6 @@ struct ReverbState final : public EffectState {
         ALfloat LFReference{AL_EAXREVERB_DEFAULT_LFREFERENCE};
     } mParams;
 
-    ALsizei mNumInputs{0}; /* 3 or 4 */
-    ALfloat mInputConv[NUM_LINES][4/*NumInputs*/];
-
     /* Master effect filters */
     struct {
         BiquadFilter Lp;
@@ -470,28 +467,6 @@ ALboolean ReverbState::deviceUpdate(const ALCdevice *Device)
                               EARLY_TAP_LENGTHS[NUM_LINES-1]*multiplier) *
                              frequency);
 
-    mNumInputs = 4;
-    if(mNumInputs == 3)
-    {
-        for(ALsizei i{0};i < NUM_LINES;++i)
-        {
-            mInputConv[i][0] = B2A[i][0];
-            mInputConv[i][1] = B2A[i][1];
-            mInputConv[i][2] = B2A[i][3];
-            mInputConv[i][3] = 0.0f;
-        }
-    }
-    else
-    {
-        for(ALsizei i{0};i < NUM_LINES;++i)
-        {
-            mInputConv[i][0] = B2A[i][0];
-            mInputConv[i][1] = B2A[i][1];
-            mInputConv[i][2] = B2A[i][2];
-            mInputConv[i][3] = B2A[i][3];
-        }
-    }
-
     /* Clear filters and gain coefficients since the delay lines were all just
      * cleared (if not reallocated).
      */
@@ -1346,7 +1321,7 @@ void ReverbState::process(ALsizei samplesToDo, const ALfloat (*RESTRICT samplesI
         for(ALsizei c{0};c < NUM_LINES;c++)
         {
             std::fill(std::begin(afmt[c]), std::end(afmt[c]), 0.0f);
-            MixRowSamples(afmt[c], mInputConv[c], samplesIn, numInput, base, todo);
+            MixRowSamples(afmt[c], B2A[c].data(), samplesIn, numInput, base, todo);
         }
 
         /* Process the samples for reverb. */