mesa: remove unused macros in macros.h

Reviewed-by: Eric Anholt <eric@anholt.net>

src/mesa/main/macros.h

@@ -588,19 +588,6 @@ do {				\
  */
 #define LINTERP(T, OUT, IN) ((OUT) + (T) * ((IN) - (OUT)))
 
-/* Can do better with integer math
- */
-#define INTERP_UB( t, dstub, outub, inub )  \
-do {                        \
-   GLfloat inf = UBYTE_TO_FLOAT( inub );    \
-   GLfloat outf = UBYTE_TO_FLOAT( outub );  \
-   GLfloat dstf = LINTERP( t, outf, inf );  \
-   UNCLAMPED_FLOAT_TO_UBYTE( dstub, dstf ); \
-} while (0)
-
-#define INTERP_UI( t, dstui, outui, inui )  \
-   dstui = (GLuint) (GLint) LINTERP( (t), (GLfloat) (outui), (GLfloat) (inui) )
-
 #define INTERP_F( t, dstf, outf, inf )      \
    dstf = LINTERP( t, outf, inf )
 
@@ -619,16 +606,6 @@ do {                        \
    dst[2] = LINTERP( (t), (out)[2], (in)[2] );  \
 } while (0)
 
-#define INTERP_SZ( t, vec, to, out, in, sz )                \
-do {                                    \
-   switch (sz) {                            \
-   case 4: vec[to][3] = LINTERP( (t), (vec)[out][3], (vec)[in][3] );    \
-   case 3: vec[to][2] = LINTERP( (t), (vec)[out][2], (vec)[in][2] );    \
-   case 2: vec[to][1] = LINTERP( (t), (vec)[out][1], (vec)[in][1] );    \
-   case 1: vec[to][0] = LINTERP( (t), (vec)[out][0], (vec)[in][0] );    \
-   }                                    \
-} while(0)
-
 /*@}*/
 
 
@@ -656,9 +633,6 @@ do {                                    \
 #define DOT4( a, b )  ( (a)[0]*(b)[0] + (a)[1]*(b)[1] + \
             (a)[2]*(b)[2] + (a)[3]*(b)[3] )
 
-/** Dot product of two 4-element vectors */
-#define DOT4V(v,a,b,c,d) (v[0]*(a) + v[1]*(b) + v[2]*(c) + v[3]*(d))
-
 
 /** Cross product of two 3-element vectors */
 #define CROSS3(n, u, v)             \