Drop manylinux2010 wheels.

Author: termim

.github/workflows/test_linux.yml

@@ -94,7 +94,7 @@ jobs:
       fail-fast: false
       matrix:
         arch: [i686, x86_64]
-        manylinux: [manylinux1, manylinux2010, manylinux2014, manylinux_2_28, musllinux_1_1, musllinux_1_2]
+        manylinux: [manylinux1, manylinux2014, manylinux_2_28, musllinux_1_1, musllinux_1_2]
         exclude:
             - arch: i686
               manylinux: manylinux_2_28