fix: remove unused imports

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/math/base/special/sinf/manifest.json

@@ -40,7 +40,6 @@
       "dependencies": [
         "@stdlib/math/base/napi/unary",
         "@stdlib/number/float32/base/to-word",
-        "@stdlib/constants/float64/high-word-abs-mask",
         "@stdlib/constants/float64/half-pi",
         "@stdlib/constants/float32/exponent-mask",
         "@stdlib/math/base/special/kernel-cosf",
@@ -62,7 +61,6 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/number/float32/base/to-word",
-        "@stdlib/constants/float64/high-word-abs-mask",
         "@stdlib/constants/float64/half-pi",
         "@stdlib/constants/float32/exponent-mask",
         "@stdlib/math/base/special/kernel-cosf",
@@ -84,7 +82,6 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/number/float32/base/to-word",
-        "@stdlib/constants/float64/high-word-abs-mask",
         "@stdlib/constants/float64/half-pi",
         "@stdlib/constants/float32/exponent-mask",
         "@stdlib/math/base/special/kernel-cosf",