Ensure that no feature set refers to blas-src or lapack-src, because we want
to just use the existing openblas library.

--- a/Cargo.toml	2024-04-24 14:13:23.519997967 +0200
+++ b/Cargo.toml	2024-04-24 14:13:09.983966101 +0200
@@ -34,11 +34,11 @@
 sdp = ["blas","lapack"]
 
 # explicit configuration options for different blas flavours
-sdp-accelerate = ["sdp", "blas-src/accelerate", "lapack-src/accelerate"]
-sdp-netlib     = ["sdp", "blas-src/netlib", "lapack-src/netlib"]
-sdp-openblas   = ["sdp", "blas-src/openblas", "lapack-src/openblas"]
-sdp-mkl        = ["sdp", "blas-src/intel-mkl", "lapack-src/intel-mkl"]
-sdp-r          = ["sdp", "blas-src/r", "lapack-src/r"]
+sdp-accelerate = ["sdp"]
+sdp-netlib     = ["sdp"]
+sdp-openblas   = ["sdp"]
+sdp-mkl        = ["sdp"]
+sdp-r          = ["sdp"]
 
 # build as the julia interface 
 julia = ["sdp", "dep:libc", "dep:num-derive", "dep:serde", "dep:serde_json"] 
@@ -62,15 +62,6 @@
 version = "0.19.0"
 optional = true
 
-[dependencies.blas-src]
-version = "0.9"
-optional = true 
-
-[dependencies.lapack-src]
-version = "0.9"
-optional = true 
-
-
 # -------------------------------
 # examples
 # -------------------------------