Remove Defined/Declared as

Closes #4134

doc/Language/create-cli.pod6

@@ -478,8 +478,6 @@ ecosystem.
 
 =head2 X<sub RUN-MAIN|Subroutines,RUN-MAIN>
 
-Defined as:
-
     sub RUN-MAIN(&main, $mainline, :$in-as-argsfiles)
 
 This routine allows complete control over the handling of C<MAIN>. It gets a

doc/Language/operators.pod6

@@ -1497,8 +1497,6 @@ C<X::Numeric::CannotConvert> will be thrown if C<$b> is C<-Inf> or C<NaN>.
 
 =head2 infix C«xx»
 
-Defined as:
-
     multi sub infix:<xx>()
     multi sub infix:<xx>(Mu \x)
     multi sub infix:<xx>(&x, Num:D() $n)
@@ -1977,8 +1975,6 @@ the longer string if their lengths differ.
 
 =head2 infix C<coll>
 
-Defined as:
-
     multi sub infix:<coll>(Str:D \a, Str:D \b --> Order:D)
     multi sub infix:<coll>(Cool:D \a, Cool:D \b --> Order:D)
     multi sub infix:<coll>(Pair:D \a, Pair:D \b --> Order:D)
@@ -1998,8 +1994,6 @@ B<NOTE:> These are not yet implemented in the JVM.
 
 =head2 infix C«unicmp»
 
-Defined as:
-
     multi sub infix:<unicmp>(Str:D \a, Str:D \b --> Order:D)
     multi sub infix:<unicmp>(Pair:D \a, Pair:D \b --> Order:D)
     multi sub infix:<coll>(Pair:D \a, Pair:D \b --> Order:D)
@@ -3100,8 +3094,6 @@ X<|Infix operators,cross product operator>
 X<|Infix operators,X>
 =head2 infix C«X»
 
-Defined as:
-
     multi sub infix:<X>(+lol, :&with! --> Seq:D)
     multi sub infix:<X>(+lol --> Seq:D)
 

doc/Language/traits.pod6

@@ -14,8 +14,6 @@ next.
 
 =head1 The X<C<is> trait|Traits,is (trait)>
 
-Defined as
-
     proto sub trait_mod:<is>(Mu $, |) {*}
 
 C<is> applies to any kind of scalar object, and can take any number of named or

doc/Language/typesystem.pod6

@@ -340,8 +340,6 @@ which is not nodal.
 
 =head3 trait X<C<handles>|Traits,handles trait>
 
-Defined as:
-
     multi sub trait_mod:<handles>(Attribute:D $target, $thunk)
 
 The L<trait|/type/Sub#Traits> C<handles> applied to an attribute of a class will
@@ -392,8 +390,6 @@ searched, use a L<C<HyperWhatever>|/type/HyperWhatever>.
 
 =head3  X<trait C<is>|Traits,is (class)>
 
-Defined as:
-
     multi sub trait_mod:<is>(Mu:U $child, Mu:U $parent)
 
 The L<trait|/type/Sub#Traits> C<is> accepts a type object to be
@@ -423,8 +419,6 @@ methods to provide an interface for introspection and coercion to basic types.
 
 =head3 trait X«C<is rw>|Traits,is rw (class)»
 
-Defined as:
-
     sub trait_mod:<is>(Mu:U $type, :$rw!)
 
 The L<trait|/type/Sub#Traits> C<is rw> on a class will create writable accessor
@@ -438,8 +432,6 @@ methods on all public attributes of that class.
 
 =head3 trait C<is required>
 
-Defined as:
-
     multi sub trait_mod:<is>(Attribute $attr, :$required!)
     multi sub trait_mod:<is>(Parameter:D $param, :$required!)