Sprice up keywords files and limit what is keyworded for sage-10.1 to…

… avoid cython 3 packages.

package.keywords/sage-10.1

@@ -1,9 +1,9 @@
 dev-python/cvxopt
-=dev-python/cysignals-1.11*
+~dev-python/cysignals-1.11.2
 dev-python/memory_allocator
-=dev-python/pplpy-0.8*
+~dev-python/pplpy-0.8.7
 dev-python/pyopengl
-=dev-python/cypari2-2.1*
+~dev-python/cypari2-2.1.3
 >dev-python/furo-2023.8.19
 ~dev-python/jupyter-jsmol-2022.1.0
 dev-python/jupyter-sphinx
@@ -17,7 +17,7 @@ media-gfx/tachyon
 ~media-gfx/threejs-sage-extension-122
 sci-libs/dsdp
 ~sci-libs/fplll-5.4.4
->=dev-python/fpylll-0.5.9
+~dev-python/fpylll-0.5.9
 =sci-mathematics/arb-2.22*
 sci-mathematics/cu2
 sci-mathematics/cubex
@@ -41,7 +41,6 @@ sci-mathematics/palp
 ~sci-mathematics/sage-data-elliptic_curves-0.8
 ~sci-mathematics/sage-data-graphs-20210214
 ~sci-mathematics/sage-data-polytopes_db-20170220
-~sci-mathematics/singular-4.3.1_p3
 ##########################
 # optional dependencies
 ##########################
@@ -77,7 +76,6 @@ sci-libs/coinor-dylp
 sci-libs/coinor-osi
 sci-libs/coinor-utils
 sci-libs/coinor-vol
-sci-mathematics/sage_numerical_backends_coin
 ##################################
 # GAP 4.12.2
 ##################################

package.keywords/sage-9999

@@ -2,7 +2,6 @@ dev-python/cvxopt
 =dev-python/cysignals-1.11*
 dev-python/memory_allocator
 =dev-python/pplpy-0.8*
-# default sympy py3.11 useflag - mysteriously prevent updating otherwise
 dev-python/pyopengl
 =dev-python/cypari2-2.1*
 >dev-python/furo-2023.8.19
@@ -42,7 +41,6 @@ sci-mathematics/palp
 ~sci-mathematics/sage-data-elliptic_curves-0.8
 ~sci-mathematics/sage-data-graphs-20210214
 ~sci-mathematics/sage-data-polytopes_db-20170220
-~sci-mathematics/singular-4.3.1_p3
 ##########################
 # optional dependencies
 ##########################