Remove instances of allow(clippy:all).

These are no longer needed.

plot/src/axis.rs

@@ -155,9 +155,6 @@ where
 }
 
 impl<'a> Script for (Axis, &'a Properties) {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let &(axis, properties) = self;
         let axis_ = axis.display();

plot/src/candlestick.rs

@@ -27,9 +27,6 @@ impl Default for Properties {
 }
 
 impl Script for Properties {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let mut script = String::from("with candlesticks ");
 

plot/src/curve.rs

@@ -38,9 +38,6 @@ impl CurveDefault<Style> for Properties {
 }
 
 impl Script for Properties {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let mut script = if let Some(axes) = self.axes {
             format!("axes {} ", axes.display())

plot/src/errorbar.rs

@@ -36,9 +36,6 @@ impl ErrorBarDefault<Style> for Properties {
 }
 
 impl Script for Properties {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let mut script = format!("with {} ", self.style.display());
 

plot/src/filledcurve.rs

@@ -27,9 +27,6 @@ impl Default for Properties {
 }
 
 impl Script for Properties {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let mut script = if let Some(axes) = self.axes {
             format!("axes {} ", axes.display())

plot/src/key.rs

@@ -48,9 +48,6 @@ impl Properties {
 }
 
 impl Script for Properties {
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> String {
         let mut script = if self.hidden {
             return String::from("set key off\n");

plot/src/lib.rs

@@ -438,9 +438,6 @@ impl Figure {
         }
     }
 
-    // Allow clippy::format_push_string even with older versions of rust (<1.62) which
-    // don't have it defined.
-    #[allow(clippy::all)]
     fn script(&self) -> Vec<u8> {
         let mut s = String::new();