runtime: remove unused alg constants

CL 191198 removed algarray from the runtime
which used these constants as indices.

Change-Id: Ia669cf410372ef5113dadccd115a39ff8d47e5c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/261364
Reviewed-by: Keith Randall <[email protected]>
Run-TryBot: Martin Möhrmann <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Trust: Emmanuel Odeke <[email protected]>
Trust: Martin Möhrmann <[email protected]>

Author: martisch

src/runtime/alg.go

@@ -15,25 +15,6 @@ const (
 	c1 = uintptr((8-sys.PtrSize)/4*3267000013 + (sys.PtrSize-4)/4*23344194077549503)
 )
 
-// type algorithms - known to compiler
-const (
-	alg_NOEQ = iota
-	alg_MEM0
-	alg_MEM8
-	alg_MEM16
-	alg_MEM32
-	alg_MEM64
-	alg_MEM128
-	alg_STRING
-	alg_INTER
-	alg_NILINTER
-	alg_FLOAT32
-	alg_FLOAT64
-	alg_CPLX64
-	alg_CPLX128
-	alg_max
-)
-
 func memhash0(p unsafe.Pointer, h uintptr) uintptr {
 	return h
 }