build: remove superfluous options

These options were already being enabled through the use of `-Wall` or
`-Wextra`.  This shrinks the command line and reduces build file
generation times.
diff --git a/cmake/modules/DispatchCompilerWarnings.cmake b/cmake/modules/DispatchCompilerWarnings.cmake
index 45b12bd..dcc074e 100644
--- a/cmake/modules/DispatchCompilerWarnings.cmake
+++ b/cmake/modules/DispatchCompilerWarnings.cmake
@@ -8,21 +8,9 @@
     add_compile_options(-Werror)
     add_compile_options(-Wall)
     add_compile_options(-Wextra)
-    add_compile_options(-Wmissing-field-initializers)
     add_compile_options(-Wmissing-prototypes)
     add_compile_options(-Wdocumentation)
     add_compile_options(-Wunreachable-code)
-    add_compile_options(-Wmissing-braces)
-    add_compile_options(-Wparentheses)
-    add_compile_options(-Wswitch)
-    add_compile_options(-Wunused-function)
-    add_compile_options(-Wunused-label)
-    add_compile_options(-Wunused-parameter)
-    add_compile_options(-Wunused-variable)
-    add_compile_options(-Wunused-value)
-    add_compile_options(-Wempty-body)
-    add_compile_options(-Wuninitialized)
-    add_compile_options(-Wunknown-pragmas)
     add_compile_options(-Wshadow)
     add_compile_options(-Wconversion)
     add_compile_options(-Wconstant-conversion)
@@ -30,9 +18,7 @@
     add_compile_options(-Wbool-conversion)
     add_compile_options(-Wenum-conversion)
     add_compile_options(-Wassign-enum)
-    add_compile_options(-Wsign-compare)
     add_compile_options(-Wshorten-64-to-32)
-    add_compile_options(-Wpointer-sign)
     add_compile_options(-Wnewline-eof)
     add_compile_options(-Wdeprecated-declarations)
     add_compile_options(-Wsign-conversion)
@@ -49,8 +35,6 @@
     add_compile_options(-Wexpansion-to-defined)
     add_compile_options(-Wfloat-equal)
     add_compile_options(-Widiomatic-parentheses)
-    add_compile_options(-Wignored-qualifiers)
-    add_compile_options(-Wimplicit-fallthrough)
     add_compile_options(-Wnullable-to-nonnull-conversion)
     add_compile_options(-Wobjc-interface-ivars)
     add_compile_options(-Wover-aligned)
@@ -60,7 +44,6 @@
     add_compile_options(-Wstatic-in-inline)
     add_compile_options(-Wsuper-class-method-mismatch)
     add_compile_options(-Wswitch-enum)
-    add_compile_options(-Wtautological-compare)
     add_compile_options(-Wunguarded-availability)
     add_compile_options(-Wunused)