Remove already present functions

Author: kunitoki

modules/yup_dsp/fft/yup_FFTProcessor.cpp

@@ -146,24 +146,6 @@ const char* FFTProcessor::getBackendName()
 #endif
 }
 
-bool FFTProcessor::isPowerOfTwo (int value) noexcept
-{
-    return value > 0 && (value & (value - 1)) == 0;
-}
-
-int FFTProcessor::nextPowerOfTwo (int value) noexcept
-{
-    if (value <= 1) return 1;
-    
-    --value;
-    value |= value >> 1;
-    value |= value >> 2;
-    value |= value >> 4;
-    value |= value >> 8;
-    value |= value >> 16;
-    return ++value;
-}
-
 //==============================================================================
 // Private implementation
 void FFTProcessor::initialize()

modules/yup_dsp/fft/yup_FFTProcessor.h

@@ -143,12 +143,6 @@ class FFTProcessor
     /** Returns a string describing the active FFT backend */
     static const char* getBackendName();
 
-    /** Returns true if the given size is a valid power of 2 */
-    static bool isPowerOfTwo (int value) noexcept;
-    
-    /** Returns the next power of 2 >= the given value */
-    static int nextPowerOfTwo (int value) noexcept;
-
 private:
     //==============================================================================
     void initialize();